Parallelism 80uin/per inch
Squareness 100uin/per inch
Made of alloy steel
Hardness HRC56-58
3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5120TRI-10I, 5 inch UH, 120, 7100202873, 10 per pack
Insize 6313-25H32, SETTING RING, 25/32" dia, 6928640357565
Standard Abrasives 726004, A/O C4 Straight Precision Cartridge Roll, 1 in x 2-1/2 in x 1/4 in 80, 7100098780
3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5120TRI-10I, 5 inch UH, 120, 7100202873, 10 per pack
Insize 6313-25H32, SETTING RING, 25/32" dia, 6928640357565
Standard Abrasives 726004, A/O C4 Straight Precision Cartridge Roll, 1 in x 2-1/2 in x 1/4 in 80, 7100098780
Parallelism 80uin/per inch
Squareness 100uin/per inch
Made of alloy steel
Hardness HRC56-58
