Product Details

• Part Number: SWTC-M21
• Item Weight: 2.35 pounds
• Package Dimensions: 5.5 x 4.3 x 2.5 inches
• Size: Packs
• Color: Original version
• Material: N/A

• 23 of the most common SAE and 21 of the most common metric sizes, see description
• Each included size has a nut and bolt checker on the same gauge.
• Thread sizes are permanently stamped on each gauge.