3M 06966, Contour Surface Sanding Sponge, 4.5 in x 5.5 in x .1875 in, Medium P60, 7000133922 
Insize 4168-10E, STEEL STANDARD BALLS, 3/8″, 6940561981483
$14.21
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
General Use Tapes
3M 06524, Scotch Steel Gray Masking Paper, 06524, 24 in x 1000 ft, 1 per case, 7000045442
$183.24
Measuring/ Inspection Instruments
Insize 4102-181, STEEL GAGE BLOCK SET, 81pcs, grade AS-1, 6928640329906
$695.78
