TOTAL 13mm Key Chuck With Adaptor 1.5-13mm

Keyless chucks are designed to loosen and tighten a tool on the drill's chuck collar fast, either manually or when torque is applied. The tool may be loosen by turning the chuck collar counterclockwise. The chucks found in domestic multifunction drills are keyless drill chucks for portable drilling equipment.allows you to replace the drill bits without having to use any special keys is called a keyless chuck. The main advantage of this type of chuck is that it makes the process of replacing bits much faster. You can place the bit inside the chuck and then tighten the chuck around it by twisting.The jaws are brought together or separated when the shell on the outside of the chuck moves. If that shell rotates clockwise, the jaws come together to clamp the drill bit in place so that you can use it. When the shell turns counterclockwise, the jaws come apart and release the drill bit so that you can replace it.