Nsinc JM-8139 Screwdrivers Set - Torx Bits, Hex Bits, Slotted Bits, Cross Bits, Tri-wing Bits, Triangle Bits, Pentalobe Bits, U-shaped Screwdriver Bits Precision Screwdriver Set  (Pack of 47)

Material: -- The Bits are made of Chrome Vanadium Material which is iron of the highest quality and treated with Nickel Surface. The other material used is anti-cracks ABS Plastic. Features: -- Non-slip Ergonomic Handle, more comfortable and convenient for using. -- Professional repair tools aim to giving assistance during devices repairing.