This impact grade drill and driver bit set is made of high speed S2 and 4341 steel. A great set for all your tough professional and DIY projects. Torsion I-beam absorbs torque and impact shock Ideal for versatile drilling applications in wood, metal and plastic. Driver bits made of S2 modified steel and heat treated for maximum durability Split point penetrates on contact to reduce drill bit walking (1/8-in and larger).
