Parallelism:30_in/per inch.
Squareness: 50_in/per inch.
Made of alloy steel
Hardness HRC56-58
Standard Abrasives 726004, A/O C4 Straight Precision Cartridge Roll, 1 in x 2-1/2 in x 1/4 in 80, 7100098780
Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070"), 6928640330162
Standard Abrasives 726028, A/O C3 Straight Precision Cartridge Roll, 13/16 in x 2-1/2 in x 1/4 in 180, 7100098760
Standard Abrasives 726004, A/O C4 Straight Precision Cartridge Roll, 1 in x 2-1/2 in x 1/4 in 80, 7100098780
Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070"), 6928640330162
Standard Abrasives 726028, A/O C3 Straight Precision Cartridge Roll, 13/16 in x 2-1/2 in x 1/4 in 180, 7100098760
Parallelism:30_in/per inch.
Squareness: 50_in/per inch.
Made of alloy steel
Hardness HRC56-58
