Highlightsuse to check the size of drill bits, sockets and other items that are either metric or fractionaleasy to read digital display with inch/inch fractional/metric conversion4 measurements - inside, outside, depth and step. 0005 Inch/64ths/. 01mm graduationsproduct featuresuse to check the size of drill bits, sockets and other items that are either metric or fractional0-6in /0-150mm range. 0005in /64ths/. 01mm graduationseasy to read digital display with inch/inch fractional/metric conversion4 measurements - inside, outside, depth and stepreplacement battery sr44/357item weight: 0. 75 Lbs. Upc: 7. 80538e11.