BoltSize-It - Screw Checker
![BoltSize-It - Screw Checker](/images/products/480/3461.480.jpg)
- #0 to 3/4" coarse & fine threads
- 1.6 mm to 16mm metric threads
- Tap drill sizes on back
Sturdy and lightweight plastic resists water, alcohol, oil, and grease.
Fits in shirt pocket (3-3/8" x 6-5/8" or 86 mm x 168 mm)
Fits in shirt pocket (3-3/8" x 6-5/8" or 86 mm x 168 mm)