drill chuck diameter is 43 mm, length is 71 mm, please confirm whether your hand Drill is compatible with this electric drill chuck Durable and has a long service life, suitable for long time work. The chuck can hold the drill bit firmly and securely, not easy to loosen. Compared with traditional drill chuck, this drill chuck will be easier to install and disassemble Wide range of sizes ranging from 2 to 13 mm, suitable for many types of drill bits. Easy to use, it is an industrial accessory for you to choose Easy to install and disassemble, more convenient and economical. and self-tightening type design is more in line with human engineering. HAND DRILL CHUCK The chuck can hold the drill bit firmly and securely, not easy to loosen. You can use this product without much hassle. You dont need complicated procedures to use it. Color: black red Packing Quantity: 1