Non-slip: screwdriver non-slip, entire injection moulded part not loose. It has a non-slip granulate design, doubles the non-slip effect Tail opening: tail opening design of the screwdriver handle convenient for hanging and storage. If it is not enough, it can penetrate from here and form a lending force HIGH QUALITY STEEL The screwdriver forged from high quality steel, with good material selection and durability Powerful magnet: the magnetic force of the newly improved screwdriver head doubles and therefore many times higher than an ordinary screwdriver head Anti-rust set: this screwdriver set is made of high quality, well prevented, Manufacturer: OSNIYAW