Squareness of both V grooves to front and back sides: 197_in
Hold cylindrical workpieces for inspection and machining.
Two V-blocks per set.
Made of alloy steel.
Hardened to HRC60?2.
V groove on the top for large shafts.
V groove on the bottom for small shafts (except 6896-10).

Insize 6888-2, ROLLER BEARING V-BLOCK SET, 5.9x3.1x3.9", pair, 6928640320774
3M Super Abrasives Roloc Disc, 2" Type-R, Medium AO High Strength, Box of 50 