Air Turbine Tools 310RSV - 6mm Router Hand Tool Series, 40,000RPM, 33441 
Insize 4168-12E, STEEL STANDARD BALLS, 7/16″, 6940561981506
$17.33
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
Paint Sprayers & Accessories
Binks 83C-210, 2.8 Gallon Paint/Pressure Tank, Zinc Plated Steel, Single Regulation, No Agitation
General Use Tapes
3M 06518, Scotch Steel Gray Masking Paper, 06518, 18 in x 1000 ft, 2 per case, 7000045441
$134.17
Measuring/ Inspection Instruments
Insize 4102-181, STEEL GAGE BLOCK SET, 81pcs, grade AS-1, 6928640329906
$695.78