Professional spline bit set for commercial or occasional use 9pc impact spline bit sockets with 1/2in drive hex bit holder Impact spline bit and holder set Spline bits ranging from M6 – M18 1/2in drive so will fit any 1/2in drive ratchets, extensions, breaker bars, impact drivers etc... Impacted bits so suitable for use with high torque tools Easily change from one bit to another by taking the hex bit out of the end of the bit holder Manufactured from s2 steel for maximum strength and durability Shallow spline bits so perfect for access in restricted hard to reach areas Allen / hex key on the side of the bit holder if needed to be fastened to prevent the items from falling out Interchangeable bit set so one 1/2in drive bit holder with 9 different size bits Size ranges from M6 – M18 SET INCLUDES THE FOLLOWING SIZES • M6, M8, M9, M10, M12, M14, M16 and M18 Comes in a blow molded tray for easy storage and transportation a