Parallelism: 40_in per inch.
Squareness: 60_in/per inch.
Made of alloy steel
Hardness HRC56-58.
Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630", 6928640303579
3M 45029, Diamond Grade Digital Reflective Sheeting 3924SUDS, Fluorescent Orange, 30 in x 50 yd, 1 Roll/Case, 7100282407
3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5120TRI-10T, 5 IN x UH, 120, 7100202877, 10 per pack
3M 463-000-TRI-4, Pro Grade Precision Comfort & Performance Large Sanding Tool, 3.7 in x 7 in, 7010416697
Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630", 6928640303579
3M 45029, Diamond Grade Digital Reflective Sheeting 3924SUDS, Fluorescent Orange, 30 in x 50 yd, 1 Roll/Case, 7100282407
3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5120TRI-10T, 5 IN x UH, 120, 7100202877, 10 per pack
3M 463-000-TRI-4, Pro Grade Precision Comfort & Performance Large Sanding Tool, 3.7 in x 7 in, 7010416697
Parallelism: 40_in per inch.
Squareness: 60_in/per inch.
Made of alloy steel
Hardness HRC56-58.
