Features： 1、Chrome Vanadium Alloy Steel Material: These screwdriver bits are made of strong chrome vanadium alloy steel, which is very durable and has a long service life. 2、Magnetic Bit: These screwdriver bits have strong magnetism, which can attract screws and firmly fix them, making them more comfortable to use. 3、Ring Stopper: Comes with a ring stopper, the using of this screwdriver bit is practical and right, which can prevent the bit from facing the gypsum board along the screw head. 4、Portable: Comes with a small size and lightweight, this screwdriver bit kit can be easily taken with you to help with your work. 5、Ideal Replacement: Possess magnetism and practical stopper, these cross screwdriver bits are ideal replacements for the old and damaged parts. Specification： Item Type: Screwdriver Bit Material: Chrome Vanadium Alloy Steel Length: Approx. 65mm / 2.56in Package List： 5 x Screwdriver Bit