Nut & Bolt Thread Checker (Metric) 1.38 x 1.06 x 36.38 inches Size:1.38 x 1.06 x 36.38 inches Specification:Material: MetalFinish: Nickel platedThread Size:

Specification:Material: MetalFinish: Nickel platedThread Size: M4 x 0

5/16"-18 x 3/8"

They Are Sturdy

Square U-bolts are great for attachment to square shaped posts

Nut & Bolt Thread Checker (Metric) 1.38 x 1.06 x 36.38 inches Size:1.38 x 1.06 x 36.38 inches Specification:Material: MetalFinish: Nickel platedThread Size:Nut & Bolt Thread Checker (Metric) The individual gauges rotate freely on the wire cable for fast verification. Includes: (21) Sizes: 3mm x 0. 5, 4mm x 0. 1, 5mm x 0. 8, 6mm x 1. 0, 7mm x 1. 0, 8mm x 1. 0, 8mm x 1. 25, 10mm x 1. 0, 10mm x 1. 25, 10mm x 1. 5, 12mm x 1. 25, 12mm x 1. 5, 12mm x 1. 75, 14mm x 1. 5, 14mm x 2. 0, 16mm x 1. 5, 16mm x 2. 0, 20mm x 2. 0, 20mm x 2. 5, 24mm x 2. 0 & 24mm x 3. 0. Product Features Accurate and easy to use thread