Complete Set of Drill Chuck Adapters: Includes 4PCS keyless chuck for impact driver in two sizes (0.3–6.5mm, 0.3–3.6mm) and two colors (silver & black). These mini drill chuck adapters are ideal for quick-change use with a 1/4 hex shank, compatible with electric screwdrivers and impact drills | Fast and Versatile Switching: This drill chuck for impact driver lets you easily switch from drilling to screwing. The tail section adjusts quickly, making it a reliable drill chuck adapter for DIY and professional tasks | Quick Change, Plug-and-Play: Designed with a standard drill chuck adapter 1/4 hex shank, installation is simple and tool-free. Compatible with most impact drill chuck adapter types and ideal for fast-paced home, garage, or workshop use | Secure Bit Holding in Tight Spaces: The drill bit adapter for impact driver supports one-handed bit loading/unloading. For heavy-duty materials like thick steel, tighten with pliers or wrench for enhanced grip and safety | Wide Compatibility and Applications: This keyless drill chuck is compatible with standard drill bits, cordless electric screwdrivers, and impact drills. Great for working in garages, construction sites, offices, and more