Fits all drills with the standard 1/4"" hex shank Can be connected to electric and hand drill to screw or unscrew screws or nuts in places hard to reach, such as furniture legs, cabinet corners, etc. Gears housed in die-cast body with 3 sets of ball bearings for long-lasting durability Innovative design with the vane, saving time and effort For long life, lubrication is required before use Color:Corner Head Description The bevel gear can be used with an electric drill or used as a manual wrench. Ideal for screwing or unscrewing screws or nuts in hard-to-reach places, such as furniture legs, cabinet corners, etc. Hex shank fits standard drill. Attention: Lubrication before use is necessary for longer life. Specification Material: Stainless Steel Length: 130mm/5.1inch Package Weight: 160g / 5.64oz Package dimension: 1455020 mm/ 5.711.970.79 inch Package Included 1 x Corner transmissionNOTE: Do not exceed 10 N during use. Only screw the wood and do not screw the socket set.