Covered by clarkes lifetime tool guarantee for that extra piece of mind this fantastic quality set contains 32 chrome vanadium steel torx star bits each with a frac12quot square drive for any frac12quot square drive ratchet the full set contains the following sizes t20 t25 t27 t30 t40 t45 t50 t55 t60 amp t70 fitted with drive shaft lengths at 55mm 100mm 140mm amp 200mm for excellent access whatever the location t20 t25 t27 amp t30 bits are only available with