21Pcs 1/4inch Hex Shank Bit Holder Aluminum Alloy Socket Drill Bit Holder Quick Change Portable Long and Short Drill Bit Holder Extension Bar Keychain Drill Bit Holder for Drill Bit - Duety, SHA003201

• 【Quick Change Bits】This 1/4inch hex shank bit holder is quick to change bits and fix bits. The pull-out bushing bit holder can replace the large box that usually holds the cutter head. It is easy to remove and replace the quick connect. It can prevent tools from accidentally falling and facilitate high-altitude operations. 【500G Large Loading】The strong ball lock of the drill bit holder can hold drill tools weighing up to 500 grams, which can ensure that drill bit cannot fall out easily. 【Short and Long Bit Holder】This socket drill bit holder adopts smooth surface and pull-out bushing, which can prevent tools from accidentally falling off. It facilitates high-altitude operations. It can be installed with short or long drill bits. 【Suitable for 1/4inch Drill Bits】This universal 1/4-inch quick hex shank and 1/4-inch hex socket accommodate different 1/4 bits. It is suitable for most electric drivers, hand drivers, and drill bits such as T25 and T20 drill bits, etc. Please enter your product model number to ensure this product is suitable for you. 【Easy to Carry】The 7pcs extension rod is equipped with a keychain that can be conveniently installed on the chain link. It is small and portable, which is easy to carry around.