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).

3M 68739, Trizact Cloth Belt 237AA, A100 X-weight, 4 in x 354 in, Film-lok, Full-flex, 7010309410, 20 per case
Insize 0110-1125, ANEMOMETER, 6974029776595
3M 05067, Cubitron II Stikit Film Disc 775L, 400+, 6 in x NH, Linered w/Tab, Die 600Z, 7100145474, 250 per case
3M 55701, Stikit Film Disc w/Tab 375L, P180, 6 in x NH, Die 600Z, 7100106619, 250 per case
3M 05699, Hookit Foam Hand Sanding Set, 7000045514, 20 per case 