One counter reads in the plus direction and another in the minus directiion, so incremental measurement can be made in either direction
Carbide tipped scriber
Made of stainless steel (except the base).
With driving wheel. With dial test indicator holder.
Supplied with dust cover
Optional accessory: clamp for protracotors (code 2372-CLAMP)

3M 19936, Neoprene High Performance Rubber and Gasket Adhesive 1300L, Yellow, 5 Gallon Pour Spout Drum (Pail), 7100022994
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
3M 05010, Cloth Belt 384F, 120+ XF-weight, 1/4 in x 24 in, Fabri-lok, 7100141428, 200 per case
Norton 66261014793 - 3" Medium Grade Aluminum Oxide Bear-Tex Speed-Lok High Strength Maroon TR Non-Woven Abrasive Disc, 80 Each
Insize 6143, DEPTH STOP FOR CALIPERS, 6928640371301
Dynabrade 78602 1/2" Dia. x 1" W x 1/8" Center Hole, 60 Grit, 100/pack
3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168
3M 51033, Roloc Disc 361F, 36 YF-weight, TSM, 3 in, Die RS300VM, 7000148150
3M 33446, Cubitron II File Belt, 80+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033186, 10 belts per carton, 5 cartons per case
Standard Abrasives 78513, Ceramic Pro Type 27 Flap Disc, 645110, 4-1/2 in x 7/8 60 Y-weight, 7010369540, 10 per case
Dynabrade 92210 1/8" W x 12" L 320 Grit A/O DynaCut Belt, 50/pack
3M 07394 Hookit Disc Pad, 178 mm x 25 mm M14-2.0 Internal, 7000045702
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681 