1Keyless drill chuck tightness adjustment, fine rolling teeth, rotating the drill chuck wrench can adjust the tightness. 2You can make the electric drill turn a 90degree turn to reach the space you want to operate to complete the drilling operation. 3Made of highquality plastic + aluminum alloy material, provides good strength and durability. 4Easy to install, simple to use and light in weight, it is a practical electric drill accessory. 5Precise three-jaws, firm clamping, strong stability, and the clamping range can be adjusted at will. Item Type: Right Angle Drill Adapter Material: Plastic + Aluminum Alloy Color: Black Product Size: Approx.106x155mm / 4.17x6.10in Weight: Approx.472g/16.6oz Application: 90 degree power drill right angle bend/head It is recommended that the speed not exceed: 6000RPM How to Use 1 Install a suitable tool and tighten the chuck (clamping range 1-10mm). 2 Install the product matching handle (can be installed on both left and right). 3 It can be used on an electric drill to stabilize the drill bit and is easy to use. 4 It can be turned from bottom to top. 1 x Right Angle Drill Adapter 1 x Chuck 1. Please allow 1& 8209;2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.