Measure pitch diameter of screw threads. Resolution 0.001mm/0.00005". Button function: on/off, set, mm/inch, ABS/INC, data output. Data output. LR44 battery, automatic power off. Non- rotating spindle. Ratchet stop. Supplied with 60° setting standards (except 0-25mm/0-1"). Optional accessary: 55° setting standards (code 3281-SP), measuring tips (code 7381), data output cable (code 7306-30, 7302-SPC2A, 7305-SPC3).