Bahco ERGORound Shaped Handle for files of rectangular shape (round, square, three square, etc.). Developed according to the scientific ERGOprocess, to reduce muscle tension and the risk of injury. The hard polypropylene core, covered with a thermoplastic elastomer, provides a comfortable non-slip grip, and the handles smooth contours fit into the hand naturally. As a safety feature, the handle covers the tang and shoulder completely to prevent the hand from slipping off the handle onto the file blade.Additional Information:Material: Two Component