Moore & Wright 280-02DDL Digital Inside Caliper Micrometer 25-50mm/1-2" 

Features Standard: DIN 863 Digital functions: mm/inch conversion, on/off, zero-setting, battery low indication, hold, 0...ABS Measuring the inside of a bore or hole Satin chrome finished frame Constant force ratchet thimble Locking clamp for positive locking of spindle Supplied in case