Features: Enhances your toolkit with our Plus Bit Adapter Set, produced for durability and versatilities, allowing unseamed conversion between drills and handheld driver. Crafted from high quality steel and metal materials, these adapter feature a stable construction that ensures rusts resistance and long time performances. Ideal for professional builders, renovations experts, and DIY enthusiasts, this adapter set boosts efficiency and accuracy in various tasks. Perfectly suited for concrete drilling and wall perforation projects, it adapts to diverse construction environment effortlessly. With its precise engineering and great fit, this adapter set is a essential addition to any power tool accessory collection, ensuring reliable performances. Specifications: Component:Metal 1/4Inch Hex Socket Adaptor Size:Approx.77.5mm/3.05inches 1/4Inch Impact Socket Adapter Size:Approx.65mm/2.55inches 3/8Inch Impact Socket Adapter Size:Approx.65.5mm/2.57inches 1/2Inch Impact Socket Adapter Size:Approx.72mm/2.83inches Package Includes: 4Pcs Plus Bit Adapter Set note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!