RS PRO 150mm Metric Depth Gauge, Stainless Steel, Steel, 470g

Heads are manufactured from fully hardened steel
Base and Top surface are ground for use as a datum face
Base Datum Face: 2 1/2in x 1/8in
Top Datum Face: 1in x 1/8in
Bevelled surface of datum face allows easy reading of rule
Rule clamped by spring loaded finger clamp
Rule manufactured from hardened and tempered stainless steel
Rules marked both sides with ground ends