The Wera Rapidaptor Stainless Steel 50mm Screwdriver Bit Holder (05073616001) features a self-locking quick-release mechanism for secure bit holding and rapid one-handed removal. Its stainless steel construction offers high hardness, rigidity, and excellent corrosion resistance, making it ideal for humid environments. A free-turning sleeve allows for easier bit positioning, preventing workpiece damage. This holder accepts any hexagonal fit driver bits with a 1/4" hexagon drive and is compatible with hex drive fittings, including power screwdrivers. It is specifically designed to prevent extraneous rust when used with stainless screws, ensuring a rust-free solution.