Measuring range: 60 mm / 2.4 inch Resolution: 0.01 mm / 0.0005 inch Repeatability +-: 0.01 mm Max. total accuracy +-: 0.04 mm Draw: A: 158 mm C: 50 mm workshop grade fast and easy measurement of the brake disc thickness ; stainless steel. hardened ; LCD display with clear reading. digit height 9 mm ; conical. hardened knife points ; zero setting at any position. mm/inch switchable ; On/Off button. with HOLD function ; fixing screw ; incl. 1x 1.5 V battery (type LR44. art.-no. 2020192/B). with operation manual made in china