High accuracy execution. 

Norm: DIN 863 T3 - D3

Resolution: 0,01 mm

Accuracy: see table

Drum and sleeve: graduated, Ø 20,4 mm, matt chrome-plated

Stem: Ø 6,50 mm, screw pitch 0,5 mm,with locking

Contact surfaces: Carbide-tipped, ground andprecision lapped

Measuring pressure: with clutch on drum

Arch: in painted steel with cheekbonesinsulators

Supplied complete with case, adjustment keyand control certificates.