Retisee 28 Size 4'' x 20'' Bolt and Nut Identifier Gauge Nut Black Bolt Size and Thread Identifier Thread Pitch Gauge Standard Inch and Centimeter Ruler
- ...imeter scales on the edge, so you can identify the length of nuts, washers, bolts and screws quickly.
- Sturdy and Durable: the bolt identifier is made of 6061 aluminum, quality and accurate.
- It has solid metal plate structure, beautiful hard anodized surface, maximum thread strength, and laser etching marks, which is not easy to fade or get scratched.