Schwenk OSIMESS 62700302 Split Ball Bore Gauge Sets Nominal range 8-12mm effective range 7.7-12.5mm number of probes 6, Indicator not includedSplit ball probes OSIMESS For fast manual measuring of bores with from 1,0 to 40 mm. Modular system with one instrument holder which can quickly be adapted to the diameter range required with exchangeable split ball probes and measuring needles. The deviation of the measuring travel is via a precisely manufactured wedge needle out of tungsten carbide. The three basic designs are hardchromed, alternatively carbide tipped or for blind bores. Cost