Groove Master Metric Set

Highly effective caliper attachment for quick and accurate measurements of internal and external diameters of retaining ring grooves, o-ring grooves and undercuts. Precision machined from steel, hard chrome plated for extra wear resistance. Fits all 150mm vernier, dial and digital calipers with a maximum jaw-thickness of 3.55mm. Measures internal grooves from 5mm up to the capacity of the caliper.

Product Specifications:

• Type: Metric
• 5 Pieces
• Includes minimum diameter bore sizes 5mm, 7.5mm, 15mm, 18mm, and external