From the Manufacturer

The New WSG 10-115 T 4 1/2 inch tip start swichless angle grinder finally offers a light-weight, powerful and safe angle grinder for those tight spaces and corners. The New family of angle grinder with the switchless Fein tip start operating system with auto stop provides needed safety in case of an emergency. The disc slows down as soon as the touch pads are released. This is an extremely safe grinder for all of those places where safety is a top priority. The service life of these angle grinders are extended even further by the innovatieve optical fiber switching system and the dust proof arrangement of the four touch pads. These New angle grinders offer high performance through the High Power Motor offered only by Fein. The reason the Fein angle grinder motors last longer than other leading grinders is because the Fein motors are built with a considerable amount more copper and iron. This gives the motor more output and a longer lasting life. The New Fein angle grinders also offer a more ergonomic shape offering more comfort for long hours of grinding. An added safety feature that is on all of the new Fen angle grinders is the accidental restart lockout which alleviates any kickback if your angle grinder is caught in a workpiece. Fein is the expert when it comes to professional and reliable power tools and special applications solutions for metal working, interior and automotive fields. For over 140 years we have developed innovative and supremely efficient solutions for practical applications.