Product description Material: Chrome vanadium steel Storage box size: 16.8*8cm Quantity: 63 in 1 Package content: 1 * screwdriver repair tool 1.Widely CompatibilityPrecision screwdriver set extraordinary hardness, superior toughness quality professional for repairing all smartphones,iPhone,Macbook air,iPad, electronics,watches,laptops,eyeglasses,circuit board,toys,PC, computer,game consoles and most handheld devices. 2.63 in 1 Screwdriver Bits63pcs high quality S2 steel precision screwdrivers kit bits have much longer lifetime than CRV bits, sandblasted surface anodes treatment, anti-sweat and anti-corrosion. 3.Screwdriver HandleThis precision screwdrivers set has Aluminum magnetic handle with rotorable swivel top makes screwdriver operation more efficient.High precision integrated molding process, smooth arc edge for comfortable hand feeling.Sandblasted surface anodes treatment, anti-rust,anti-slip and anti-corrosion. 4.Storage CaseMini aluminium alloy case makes it easy to carry or store anywhere.Magnetic bits-holder makes all the bits in this precision screwdriver set well organized and won't slip out of place. 5.Practical GiftHigh-grade aluminum alloy material very good at home or office alternate app or gift to your family or friends.