# Flex STACK PACK

> Flex STACK PACK is Flex's modular tool storage system, launched in 2022. Modular Toolbox lists 24 products in it: 3 tool boxes, 2 drawer boxes, 1 crate, 3 small-parts organizers and more. Prices on file run from $19.99 to $329.00. Sold only at Lowe's.

- Brand: [Flex](https://modulartoolbox.com/brands/flex/)
- Status: current
- Launched: 2022 ([source](https://toolguyd.com/flex-stack-pack-tool-box-system-launch/))
- Page: https://modulartoolbox.com/lines/flex-stack-pack/

Chervon brand, sold at Lowe's. Catalogued from Flex's own product list (2026-09-30); small rail attachments are left out, as they are for every line.

## Products

Dimensions are L × W × H in inches; load is the brand's rated load. Each product's page names the source of every value.

### Tool Boxes

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK Cabinet](https://modulartoolbox.com/products/flex-stack-pack-cabinet/) | large | 22 × 15.1 × 16.3 | — | 70 | — | $159.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK Medium Tool Box](https://modulartoolbox.com/products/flex-stack-pack-medium-tool-box/) | medium | 22 × 15.7 × 11.7 | — | 140 | — | $98.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK Suitcase Tool Box](https://modulartoolbox.com/products/flex-stack-pack-suitcase-tool-box/) | compact | 22 × 15.7 × 8 | — | 110 | — | $87.00 | Ohio Power Tool (2026-09-30) |

### Drawer Boxes

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK 2-Drawer Tool Box](https://modulartoolbox.com/products/flex-stack-pack-2-drawer-tool-box/) | — | 22 × 15.1 × 16.3 | — | 70 | — | $169.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK 3-Drawer Tool Box](https://modulartoolbox.com/products/flex-stack-pack-3-drawer-tool-box/) | — | 22 × 15.1 × 16.3 | — | 70 | — | $179.00 | Ohio Power Tool (2026-09-30) |

### Crates & Totes

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK Crate](https://modulartoolbox.com/products/flex-stack-pack-crate/) | — | 21.9 × 15.4 × 10.3 | — | 70 | — | $59.00 | Ohio Power Tool (2026-09-30) |

### Small-Parts Organizers

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK Deep Organizer](https://modulartoolbox.com/products/flex-stack-pack-deep-organizer/) | xl | 22 × 15.6 × 8 | — | 60 | — | $76.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK Organizer Box](https://modulartoolbox.com/products/flex-stack-pack-organizer-box/) | large | 22 × 15.7 × 5.7 | — | 50 | — | $59.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK Medium Organizer Box](https://modulartoolbox.com/products/flex-stack-pack-medium-organizer-box/) | medium | 14.9 × 10.8 × 5.7 | — | 25 | — | $43.00 | Ohio Power Tool (2026-09-30) |

### Rolling Cases

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK Rolling Tool Box](https://modulartoolbox.com/products/flex-stack-pack-rolling-tool-box/) | compact | 22 × 19.2 × 26.4 | — | 250 | — | $159.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK One-Drawer Rolling Tool Box](https://modulartoolbox.com/products/flex-stack-pack-one-drawer-rolling-tool-box/) | large | 24.21 × 19.75 × 26.97 | — | 70 | — | $219.00 | Ohio Power Tool (2026-09-30) |

### Dollies & Carts

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK Dolly](https://modulartoolbox.com/products/flex-stack-pack-dolly/) | — | 23.3 × 16.2 × 7.7 | — | 250 | — | $109.00 | Ohio Power Tool (2026-09-30) |

### Mobile Workstations

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK 3-Piece Storage System](https://modulartoolbox.com/products/flex-stack-pack-3-piece-storage-system/) | — | 22 × 19.2 × 35.1 | — | 250 | — | $329.00 | Ohio Power Tool (2026-09-30) |

### Wall Mounts & Hangers

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK Folding Rack Shelf](https://modulartoolbox.com/products/flex-stack-pack-folding-rack-shelf/) | — | 23.07 × 14.25 × 7.44 | — | 70 | — | $59.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK TRACK LOCK Long Shelf](https://modulartoolbox.com/products/flex-stack-pack-long-shelf/) | — | 23 × 10.2 × - | — | 30 | — | $39.99 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK Front Mount Rail](https://modulartoolbox.com/products/flex-stack-pack-front-mount-rail/) | — | — | — | 30 | — | $24.99 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK Side Mount Rails, 2-Pack](https://modulartoolbox.com/products/flex-stack-pack-side-mount-rails-2-pack/) | — | — | — | 30 | — | $44.99 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK Wall Mount Rail, 2-Pack](https://modulartoolbox.com/products/flex-stack-pack-wall-mount-rail-2-pack/) | — | — | — | 300 | — | $29.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK TRACK LOCK 32 in. Wall Mount Rail](https://modulartoolbox.com/products/flex-stack-pack-track-lock-32-in-wall-rail/) | — | 32.6 × 0.9 × 3.1 | — | 75 | — | $19.99 | Ohio Power Tool (2026-09-30) |

### Bags & Pouches

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK 16in Tote (soft-sided)](https://modulartoolbox.com/products/flex-stack-pack-16in-tote/) | medium | 15.7 × 10.6 × 15.4 | — | — | — | $109.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK Hand Tool Pouch](https://modulartoolbox.com/products/flex-stack-pack-hand-tool-pouch/) | compact | 10.6 × 8.07 × 2.36 | — | — | — | $27.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK 22 in. Tool Bag](https://modulartoolbox.com/products/flex-stack-pack-22-inch-tool-bag/) | xl | 22.05 × 15 × 12.99 | — | 80 | — | $149.00 | Ohio Power Tool (2026-09-30) |
| [Flex STACK PACK 16 in. Jobsite Backpack](https://modulartoolbox.com/products/flex-stack-pack-16-inch-jobsite-backpack/) | large | 15.75 × 11.81 × 19.67 | — | 40 | — | $149.00 | Ohio Power Tool (2026-09-30) |

### Accessories

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [Flex STACK PACK Worktop](https://modulartoolbox.com/products/flex-stack-pack-worktop/) | — | 21.8 × 15.7 × 2.1 | — | — | — | $59.00 | Ohio Power Tool (2026-09-30) |

## Questions

**What is in the Flex STACK PACK lineup?**
Modular Toolbox lists 24 Flex STACK PACK products: 3 tool boxes, 2 drawer boxes, 1 crate, 3 small-parts organizers, 2 rolling cases, 1 dolly or cart, 1 mobile workstation, 6 wall mounts & hangers, 4 bags & pouches and 1 accessory.

**When did Flex STACK PACK come out?**
Flex launched STACK PACK in 2022 ([source](https://toolguyd.com/flex-stack-pack-tool-box-system-launch/)).

**Does Flex STACK PACK stack with other brands?**
We have no source saying Flex STACK PACK stacks with any other system, so plan on its pieces locking only to each other.

**Is Flex STACK PACK waterproof?**
None of the 24 Flex STACK PACK products we list has a published IP weather rating, so treat them as not rated for rain or spray.

**What is the biggest Flex STACK PACK tool box?**
By outside volume, the [Flex STACK PACK Cabinet](https://modulartoolbox.com/products/flex-stack-pack-cabinet/) at 22 × 15.1 × 16.3 in (L × W × H), rated to carry 70 lb.

**How much does Flex STACK PACK cost?**
Prices on file run from $19.99 ([Flex STACK PACK TRACK LOCK 32 in. Wall Mount Rail](https://modulartoolbox.com/products/flex-stack-pack-track-lock-32-in-wall-rail/), at Ohio Power Tool) to $329.00 ([Flex STACK PACK 3-Piece Storage System](https://modulartoolbox.com/products/flex-stack-pack-3-piece-storage-system/), at Ohio Power Tool), as of October 3, 2026. Prices are re-checked weekly.

**Where can I buy Flex STACK PACK?**
Flex STACK PACK is sold only at Lowe's.


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Modular Toolbox lists modular tool storage from every brand side by side, with a source for every spec. [How we compare](https://modulartoolbox.com/how-we-compare/). Data as of 2026-10-03.