Dynabrade 90424 1/4" W x 24" L 220 Grit A/O DynaCut Belt, 50/pack 
Dynabrade 52717 Cone or Plug Wheel Grinder, 18,000 RPM, 3/8"-24 Male Thread Spindle 
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.
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