Parallelism:30_in/per inch.
Squareness: 50_in/per inch.
Made of alloy steel
Hardness HRC56-58
Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070"), 6928640330162
Insize 7230, SCRIBER, 6928640320064
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956
Dynabrade 78769 3" Dia. x 2" W x 1/4" Shank, Fine, NWN DynaBrite Wheel, 10/pack
Insize 4112-B8, INDIVIDUAL STEEL GAGE BLOCK, 8", grade AS-1, 6928640354014
3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5120TRI-10I, 5 inch UH, 120, 7100202873, 10 per pack
Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070"), 6928640330162
Insize 7230, SCRIBER, 6928640320064
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956
Dynabrade 78769 3" Dia. x 2" W x 1/4" Shank, Fine, NWN DynaBrite Wheel, 10/pack
Insize 4112-B8, INDIVIDUAL STEEL GAGE BLOCK, 8", grade AS-1, 6928640354014
3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5120TRI-10I, 5 inch UH, 120, 7100202873, 10 per pack
Parallelism:30_in/per inch.
Squareness: 50_in/per inch.
Made of alloy steel
Hardness HRC56-58
