【Durable Material】The drill chuck is made of high-quality alloy, tight clamping, wear-resistant, surface plating, rust-proof and durable. Light weight and small size, no extra burden when in use.

【Three-jaw Design】The chuck uses the triangular stability principle to provide excellent stability by clamping the drill bit in three directions simultaneously, gripping it firmly and working safely.

【Universal Hexagonal Handle】The universal 1/4-inch hexagonal handle of the screwdriver chuck easily attaches to your electric screwdriver, transforming your electric screwdriver into an easy-to-use and convenient drill or grinder for quick changes.

【Wide Range of Applications】Use the screwdriver chuck to transform your electric screwdriver into a small drill or grinder, perfect for daily maintenance, woodworking, drilling and grinding, DIY use and improving your work efficiency.

【Quantity and Size】You will receive 2 drill chucks, a silver self-tightening chuck with a length of 72 mm and a clamping range: 0.3-6.5 mm, and a black self-tightening chuck with a length of 49 mm and a clamping range: 0.3-3.6 mm, which can meet most of your work needs.