Wera 05073616001 1 x 42739 50mm 726195 K SB Universal Bit Holder Silver

Wera 1/4' × 50 mm Stainless steel Rapidaptor bit holder to eliminate rust transfer and enable fast bit changes The Wera 3888/4/1 K SB Rapidaptor Universal Holder is a high-performance bit holder made of stainless steel, designed to prevent extraneous rust when working with stainless fasteners. With a 1/4' hex shank and 50 mm length, it’s ideal for use in cordless screwdrivers, impact tools, and as a short extension for hand tools. Corrosion-free fastening for stainless applications Unlike standard steel holders, this stainless version prevents rust contamination—a common issue when working with stainless steel components. The Rapidaptor mechanism allows for one-handed bit insertion and removal without activating the sleeve. Simply push the bit in to lock; push the sleeve forward to release. The spring-loaded mechanism securely holds the bit during operation, even with the smallest bit sizes. Its free-spinning sleeve also provides better control while guiding the tool—reducing slip and