3M 64802, Scotch-Brite EXL Unitized Mounted Point, B52 x 1/8 in 8S FIN, 3M 7100068025 
Insize 1121-5002, DIGITAL INSIDE POINT CALIPER, 80-500mm/3.15-20″, 6928640385018
$843.95
Resolution: .0005″/0.01mm.
Measure groove diameter.
Buttons: on/off, set, inch/mm, preset (+, -).
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Optional accessory: depth stop (part no. 6143), data output cable
Related products
$4.42
Mounted Points
3M 64797, Scotch-Brite EXL Unitized Mounted Point, A21 x 1/4 in 8S FIN, 3M 7010292685
$17.31