Features: 1.You can put the Keychain Extension Bar on the key ring and hang it on your pants 2.The powerful lock buckle can carry tools up to 500g in weight. 3.Making it easier to take the Extension Bar and change the bit with hand. 4.Suitable for drill, screwdriver, batch head and other to transfer. 5.Universal 1/4inch quick hex shank and 1/4inch hex socket fit most drivers, hand-held drivers and bits. [Function] --- Bits hold/quick change, The Pull-out bushing bits holder can instead of carting around large boxes that bits commonly come in. To make it easy to remove and place back on the quick connect. Can avoid accidental dropping of tools and facilitate high-altitude operations. [Application] --- Universal 1/4 inch quick hex shank and 1/4 inch hex socket keep different commonly used 1/4 bits handy. Fit most drivers, hand-held drivers and bits, like t25 and t20 bits etc. Make sure this fits by entering your model number. [Keychain Bit Holder] --- 6PCS Extension Bar comes with a keychain buckle, which can be easily to install on chain buckles. Compact and portable, easy to carry around. [Durable] The drill bit socket adapters are made of aluminum alloy, nice durability, lightweight, sturdy, which ensure their longevity. [Large Load] --- The powerful lock buckle of bits holder can carry bits tools up to 500g in weight. To keep the drill bits not easy to fall. [Higher Efficiency] --- Thanks to the smooth surface processing and pull-out bushing, can avoid accidental dropping of tools and facilitate high-altitude operations. It can be fitted with a short bit or a long bit. [Easy to Use] --- Keychain has a flat, thick and round design, which makes it easier to take the Extension Bar and change the bit with hand. 1/4" HEX SHANK SCREWDRIVER BITS HOLDER: Package includes 18 pieces of 1/4 hex shank handle keychain extension rod with 3 black metal hanging buckles, with most 1/4 fast hex handles and 1/4 hex sockets and various screwdrivers, hand-held screwdrivers, and drill bits. SAFETY TO USE: It can be carried with you to avoid accidental dropping of the hexagonal handle. It is easier to pick up the product and replace the drill bit you need with hand, which helps to ensure the safety of high-altitude operations STRONG & STURDY: The drill bit extension bracket is made of high-quality metal, can achieve maximum durability, and extend the life, and the chrome-plated surface is anti-rust and corrosion-resistant,anti-oxidation. PORTABLE & WIDELY APPLICATION: The keychain extension rod with small size and easy to carry around, suitable for the transfer of various drill bits, screwdrivers, etc. It can also be used as a keychain. BUY WITH CONFIDENCE: We offer a 30-day money-back and 1-year or exchange If you are dissatisfied with it. Please feel to if you need help with your order, we will reply within 24h and solve the problem.