Manufactured In Germany. Kroeplin internal measuring gauge for checking internal grooves and bores. One fixed arm and one moving arm with carbide spherical ball contact points. . Gauging force 0.9-1.5N Suitable for workshop use.
KROEPLIN's internal measuring gauges, electronic or mechanic, can measure multiple internal diameters or dimensions. These gauges provide multiple measuring ranges from 2,5 to 400mm, values that can be reached at various depths (between 12 and 735mm).

Kroeplin G4100 Measuring range 100 - 150mm/ 3.94 - 5.91'' Scale interval 0,02mm/.001'' Measuring depth max. L: 192mm/7.6''