Inside Groove Digital Caliper Accuracy +/-0.0020 in Data Output Type Cable Long Form Calibration Certificate No Jaw Actuation Type Slide Jaw Material Steel Maximum Measurement - Inch 12 in Maximum Measurement - mm 300 mm Measurements Inside Measures Depth No Battery Size CR2032 Caliper Material Steel Case Type Plastic Case Compatible SPC Cable Mfr No 7302-SPC5A Mfr No 7302-SPC5B Mfr No 7305-SPC2A Compatible Wireless Transmitter Mfr No 7306-20