3M 45712, Cubitron II Hookit Cloth Disc 947A, 60+ X-weight, 3 in x NH, D/F 3HL, Die 300BE, 7100113119 
Insize 4168-18E, STEEL STANDARD BALLS, 5/8″, 6940561981568
$19.93
To measure angle and diameter of taper holes
Material: tool steel
Hardness: HRC63
Diameter accuracy:?.00012?
Roundness .00004″
Supplied with manufacturer inspection certificate.
Related products
Measuring/ Inspection Instruments
Insize 4102-136, STEEL GAGE BLOCK SET, 36pcs, grade AS-1, 6928640329876
$416.78