Depth gauge, prismatic measuring face.Design: The measuring bridge matt chrome-plated and hardened. Support surface finely lapped. The clamping collet made of metal guarantees reliable clamping of the dial gauge and thus increases the measurement certainty. An additional socket head screw makes it easier to replace the dial gauge. Measuring insert with external thread M2.5. The millimetre display on #SAP#B#2254122# has a concentric layout, permitting a simple and reliable reading. Supplied with a 10 mm-long special measuring insert and measuring bridge 80 x 16 mm, in plastic case. Design: The measuring bridge matt chrome-plated and hardened. Support surface finely lapped. The clamping collet made of metal guarantees reliable clamping of the dial gauge and thus increases the measurement certainty. An additional socket head screw makes it easier to replace the dial gauge. Measuring insert with external thread M2.5. The millimetre display on #SAP#B#2254122# has a concentric layout, permit