Technical Data:
Digital calipers with interchangeable points
Non waterproof
Supplied with 3 pairs of points and zero setting block for external measurement
Resolution: 0.01mm/0.0005in
Buttons: on/off, set, mm/inch, preset (+, -)
Automatic power off, move the digital unit to turn on power
Battery: CR2032
Made of stainless steel
Short spherical points: range 12-212mm/0.5-8.5in internal; accuracy +/-0.03mm; for grooves inside small hole
Long spherical/flat points: range 24-224mm/1-8.8in internal and 0-187mm/0-7.5in external; accuracy +/-0.03mm; spherical points for grooves inside hole and flat points for external grooves
Spherical blade points: range 24-224mm/1-8.8in internal and 0-187mm/0-7.5in external; accuracy +/-0.03mm; for narrow grooves inside hole

Dimensions:
Short spherical point tip dia.=2mm
Short spherical point length=6mm
Short spherical point SR=2mm
Long spherical/flat point tip dia.=2mm
Long spherical/flat point length=12mm
Long spherical/flat point SR=2mm
Spherical blade point tip dia.=2mm
Spherical blade point length=12mm
Spherical blade point blade thickness=1mm
Spherical blade point end length=6mm
Spherical blade point SR=2mm
Caliper drawing dimensions (unlabeled)=290mm; 24mm; 20mm; 40mm; 30mm; 3.5mm; 5.5mm; dia.2mm; 3.7mm; 16mm

Remark:
Built-in wireless; receiver code 7315-2/3/6/7/8/9 is needed