Carl Kammerling (CK) provide a wide range of hand tools, tool storage, power tool accessories and security products which are suitable for professional, industrial and consumer use. With over 100 years experience it is a name that is known for quality and reliability.The CK T49142-1 is a VDE approved 190mm screwdriver. They are tested up to 10,000V so you know they are safe to use when working on equipment up to 1000V AC. The handle is 107mm in length and is made from a polypropylene core with a TPE soft grip over-mould for comfort. This makes the handle shatterproof down to -35°C. The handle has an optimised grip for fingertip control and final torque down power. There is a non roll handle design, which means the screwdriver will not roll off non flat surfaces. The blade and shaft is made from chrome molybdenum vanadium steel with a black non-peel finish. The blade offers an excellent degree of wear resistance and performance. The tips feature anti-cam out ribs for the ultimate screw fit and high torque output. The blade is 5.0mm in diameter.