Magnetic Bit Holder Set includes: 4 pieces magnetic bit holder + limit ring + key. Hex Shank Magnetic Screwdriver Bit Holder Length 60mm, Hex shank diameter 6.35mm. Screwdriver bit holder with " hex driver. Magnetic Screwdriver Extension is suitable for DIY, repairs, etc. < p>Premium material: This magnetic holder is made of high quality chrome vanadium alloy steel. Magnetic Bit Holder With good wear resistance, durability and high hardness, it can be used for a long time. Hex Shank Magnetic Screwdriver Bit Holder has a permanent magnet that ensures a firm and secure hex shank magnetic screwdriver bit holder. Easy to use: Magnetic Bit Holder has a magnetic attachment head, but there is no magnetic fixing screw on the head, magnetic bit holder suitable for impact wrenches, electric screwdrivers, hand screwdrivers, electric drills, pneumatic drills, etc. Magnetic Screwdriver Extension Easy to install ler on your magnet bithalter and can extend hex shank magnetic screwdriver bit holder. Easy to install: To use magnetic bit holder, hex shank magnetic screwdriver bit holder must be placed in the drill holder . When removing the screwdriver bit holder, the black release ring must be removed before removing the magnetic screwdriver bit holder. Pull the black clip in front of the screwdriver bit holder, insert the magnetische bits all the way in and pull the knurled surface to release it. Magnetic Bit Holder Set includes : 4 pieces Magnetic Screwdriver Extension + a limit ring + a key. Screwdriver bit holder length 60 mm, hexagonal shank diameter 6.35 mm. Screwdriver Extension Hexagonal Shank with "Hex Shank Magnetic Screwdriver Bit Holder. Bit holder screwdriver suitable for DIY, repair etc. specification Material: chrome-vanadium steel Hex shank diameter: 6.35mm Length: 60 mm Universal " Hex Shank Magnetic Screwdriver Bit Holder for all common screwdrivers, hex shank magnetic screwdriver bit holder, cordless screwdriver, extension cords, adapters and screwdriver bits holder with cord. Magnetic Bit Holder quick connection, improve work efficiency, can be used to lengthen any type of screwdriver head. Universal Magnetic Bit Holder 1/4" Hex Shank Magnetic Screwdriver Bit Holder. Hex Shank Extension Screwdriver Suitable for transfer drills, screwdrivers, bits, etc., for extending various screwdriver bits and converting screwdriver bits. Anti-slip texture: Hex Shank Magnetic Screwdriver Bit Holder With anti-slip texture, it can be used to improve the friction and does not slip easily. With magnetische bit holder, the connection can be faster and easier. Caution: Magnetic Bit Holder is not suitable for double headed screwdriver bits, only for the hexagonal rod.