Parallelism:30_in/per inch.
Squareness: 50_in/per inch.
Made of alloy steel
Hardness HRC56-58
Standard Abrasives 726000, A/O C4 Straight Precision Cartridge Roll, 1 in x 2-1/2 in x 1/4 in 60, 7100098773
3M 85322, Aluminum Foil Tape 425, Silver, 25 mm x 55 m, 4.6 mil, 7100059421
3M 65487, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH560TRI-10T, 5 IN x UH, 60, 7100202913, 10 per pack
Standard Abrasives 726000, A/O C4 Straight Precision Cartridge Roll, 1 in x 2-1/2 in x 1/4 in 60, 7100098773
3M 85322, Aluminum Foil Tape 425, Silver, 25 mm x 55 m, 4.6 mil, 7100059421
3M 65487, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH560TRI-10T, 5 IN x UH, 60, 7100202913, 10 per pack
Parallelism:30_in/per inch.
Squareness: 50_in/per inch.
Made of alloy steel
Hardness HRC56-58
