Quik Change Adapter Converter Key benefits Keyless design for tool, fast loading and unloading of drill bits and accessories Enables quick task switching to maintain workflow and reduce downtime Compatible with most drill bits for hex drive power tools, designed for 1/4 inch hex shank What's included 3 pieces of 1/4 inch hex shank keyless drill chucks 1 x 0.3 mm to 3.6 mm drill chuck 2 x 0.3 mm x 6.5 mm drill chucks Easy to use, install, fast, convenient and safe Quality and materials Manufactured under quality control Made of quality metal material Wellmade and suitable for most jobs Small size and light weight, does not add burden to operation Design features and compatibility Keyless drill chucks can easily convert a cordless electric screwdriver into a drill or grinder Easily adjustable to quickly switch tasks and maintain work progress Essential power tool accessory for hex shank applications Use scenarios Furniture or shelf installation: use the 0.3–3.6 mm chuck for precise pilot holes in wood Lightweight drilling in plastic or soft metal: stable bit holding with the 0.3 × 6.5 mm chucks Quick bit changes in tight spaces: switch between drilling and driving tasks without rechucking or changing tools