Frequently Asked Questions about the SK11 L Fujiwara Sangyo STB-450 Tool Bag:

1/ What is the STB-450 tool bag and who manufactures it?

The STB-450 is a wide-open, multi-purpose tool bag designed for storing and transporting tools, equipment, and materials. It is manufactured by Fujiwara Sangyo Co., Ltd under the SK11 brand.

2/ What are the dimensions of the STB-450?

- Width: approximately 450mm

- Depth: approximately 220mm

- Height: approximately 240mm

3/ How much does the bag weigh when empty?
The empty bag weighs approximately 814g.

4/ How many pockets and holders does it include?

- 4 exterior pockets for quick-access items

- 6 interior holders for organizing individual tools and accessories

5/ What is the maximum recommended load capacity?

To avoid overstressing the fabric and seams, do not exceed 10kg of total tool weight.

6/ How does the opening mechanism work?

The bag features a zippered opening that unzips a full 180° for unobstructed access to all compartments

7/ What materials are used in its construction?

- Heavy-duty polyester/ Oxford fabric resistant to abrasion and dirt

- Padded bottom and side panels absorb shocks and protect tools from impact

8/ Does the bag include a D-ring for hanging?

The STB-450 supports an optional D-ring (sold separately) that lets you hang the bag or attach additional accessories.

9/ What kind of handles does it have?

Dual reinforced carry handles are padded with foam for a comfortable grip and balanced lifting.

10/ What types of tools fit best in this bag?

Screwdrivers, pliers, wrenches, small hand drills, gauges, drill bits, fasteners, and other medium-sized hand tools.

11/ Is the STB-450 suited for professional tradespeople?

Yes. Its organized pockets and shock-absorbent padding make it ideal for electricians, plumbers, mechanics, and general construction work.

12/ How portable is the STB-450 on job sites?

Lightweight at under 1 kg empty, it’s easy to carry by hand and can be fitted with a shoulder strap or D-ring for hands-free transport.

13/ How should I clean the tool bag?

Wipe down the exterior with a damp cloth. For stubborn stains, use a mild detergent solution, then rinse and air dry away from direct sunlight.

14/ Are there any precautions I should follow?

- Do not store flammable or highly corrosive materials inside.

- Never exceed the 10kg load limit.

- Use protective sleeves or holsters for sharp tools to prevent puncturing the fabric.

15/ Where can I purchase the STB-450?