Koken 1 2" Dr Internal Torx Socket Set On Rail 7pc E10 E24 Impact Socket Sets Anvil of 7001 10 and 7002 10: Anvil of 7001 10 and 7002 10: Ø58mm Anvil od 7007 10:90mm square Vertical fine adjustment is available with one touch control thanks to the parallel spring suspension 02mm Long Jaw style Vernier Caliper Long Jaw Vernier Caliper Long jaws for measuring hard to reach workpiece features The jaws have rounded measuring faces for accurate inside diameter measurement Inside and outside measurements can be read directly from the upper and lower vernier scales RS4425 Internal Torx Socket Set On Rail 7pc 1 2"Dr E10 E24Torx is recognized as the most efficient fastening system because of their ability to transfer greater torque reduce end load and virtually eliminate tool slippage