3M 10116, Synthetic Steel Wool Pads, 10116NA, #2 Medium, 2 in x 4 in, 7000047708 
Insize 4168-7E, STEEL STANDARD BALLS, 9/32″, 6940561981452
$13.43
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 3293-061, CAN SEAM MICROMETER, 0-.5″, for steel cans, 6928640328497
$140.37
Paint Sprayers & Accessories
Binks 83C-210, 2.8 Gallon Paint/Pressure Tank, Zinc Plated Steel, Single Regulation, No Agitation
Adhesives & Sealants
$22.24