C.K T4925 Interchangeable Slim Blade Screwdriver Set by Carl Kammerling (CK) offers a wide range of hand tools, tool storage, power tool accessories, and security products suitable for professional, industrial, and consumer use. With over 100 years of experience, CK is a name known for quality and reliability. The C.K T4925 is an interchangeable screwdriver set with slim shafted insulated blades, allowing access to recessed screws and fittings. These VDE approved tools are safe for working up to 1,000V. User convenience is further enhanced with comfortable soft grip handles and a compact fabric storage pouch with an integral belt loop. The durable blades, made from toughened alloy steel, can be changed quickly and easily thanks to the quick lock mechanism.