Dasqua 0-150mm / 0-6″ Digital Depth Caliper ~ Used to measure step and depth. ~ Resolution sis 0.01mm/0.0005″. ~ Accuracy is +/-0.03mm. ~ Made of solid stainless steel that has been widened and thickened. ~ Large, easy to read display. ~ Hardened, ground and lapped measuring surfaces for longer service lift. ~ Strictly made in accordance with DIN862.