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)

Air Turbine Tools 202DM - 3mm Straight Hand Tool Series, 30,000 RPM, 32233
Air Turbine Tools 206XDM - 6mm Straight Hand Tool Series with Brake, 50,000 RPM, 42986
Air Turbine Tools 2590SSV - 1/4" Angle Hand Tool Series (Short Version, Front Exhaust), 40,000RPM, 35848
Air Turbine Tools 202SV - 1/8" Straight Hand Tool Series, 50,000 RPM, 32250
Dynabrade 51756 .1 hp Straight-Line Extension Pencil Grinder, Rear Exhaust, 35,000 RPM, 1/8" Collet
Dynabrade 01011 Vane Set (4pk)
Dynabrade 51622 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 35,000 RPM, 3mm Collet 
