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 94382, Adflo Powered Air Purifying Respirator HE System w 3M Speedglas Welding Helmet 9100 FX-Air, 36-1101-30iSW, 1 EA/CASE, 7100200572
3M 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943
3M 45097, Roloc Disc Pad TR, Extra Hard 2 in 1/4-20 Internal, 7000045284 