Features Comfortable Round Handle: Ergonomically designed handle with non-slip feature enables convenient one-handed , reducing fatigue and increasing productivity. Quick Change Popup Drill Bit: Effortlessly press down to release the drill bit and self-locks upon connection, allowing for -fast bit changes in just one second. High-Quality Carbide Material: Made from and anti-wear carbide material, ensuring impairment resistance, minimal deformation, and long-lasting performance, suitable for rigorous drilling tasks. Simple Installation Process: Easy-to-use design requires no complicated s for installation, making it suitable for both professionals and DIY enthusiasts. Standard Specification Compliance: Engineered to meet standard specifications and undergoes strict quality control, ensuring reliability and precision in every use. Features: 1、Comfortable round handle, non？slip design, more convenient for one？handed . 2、Press down to release the popup drill bit, and self？lock when connected, fast change in one second. 3、High？quality carbide material, anti？wear, impairment？resistant, not easy to deform, to use. 4、The installation is simple and does not require complicated s. 5、Built to meet standard specification, strictly follow factory quality control. Specification: Item Type: Drill Change Adapter Material: Carbide Purpose: Fast change adapter for electric drill Connector Specification: 1/4in Package List: 1 x Drill Change Adapter Package List 1 x Drill Change Adapter