C.K"s Triton ESD is the original standard sized screwdriver range for the electronics industry. This range features ESD Safe properties in screwdriver sizes beyond the smaller slim offerings widely available. When applications call for more torque and larger size the Triton ESD range is the best available! Made in Germany. Part 4730ESD is a 5 pc. set containing Torx tamperproof (aka Torx Security) Sizes TX08, TX09, TX10, TX15 & TX20.