Professional tool for commercial or occasional use Impact torx star bits Male torx bits Impacted for strength and durability as well as use with an impact gun Manufactured from chrome molybdenum steel for strength and durability 1/2" Drive so will fit any 1/2" drive ratchet / extensions / impact guns / power bars 6pc torx set SET INCLUDES THE FOLLOWING SIZES 1/2" Drive Torx Bits - T55 / T60 / T70 / T80 / T90 and T100 Comes in a blow molded case for easy storage and transportation