Pneumatic Straight Die Grinder LSF39 is the most powerful, compact and light weight die grinders in the market to boost your productivity. The 39 series provides you with the best solutions for rough grinding in cramped, narrow spaces where accessibility is an issue. The tool is available in scatter damping versions increasing life length of burrs and reducing vibration related injuries for operators. The LSF39 is equipped with a well-balanced, high quality collet.