Variable speed 1400 watt angle grinder 125 mm vr microprocessor control speed selection tachogenerator constant speed control soft start restart protection after power failure overload protection and temperature monitoring highly efficient and resilient motor for more power output switch with lock off lock on switch lightweight ergonomic design with slim grip universal machine with infinitely adjustable speed for sanding grinding and polishing for paint we recommend using the pe 14 3 125soft vib