POWERFUL MOTOR: 12.5 amps and up to 9,300 rpm COMPREHENSIVE GUARD/SHROUD SYSTEM: With exclusive guard-opening system that allows flush grinding CONSTANT RESPONSE CIRCUITRY PROVIDES SOFT-START, MAINTAINS CONSTANT SPEED UNDER LOAD, PROVIDES OVERLOAD PROTECTIONOverload protection SEALED SWITCH, DOUBLE-SEALED BALL BEARINGS, AND TWO LIP-SEALING RINGS: SERVICE MINDERBRUSHES INDICATES WHEN PREVENTATIVE MAINTENANCE IS REQUIRED 5/8-IN. TO 11 SPINDLE WIDE FLEXIBILITY FOR MOUNTING MOST POPULAR ACCESSORIES AUXILIARY HANDLE FOR EASY HANDLING SPINDLE LOCK FOR QUICK WHEEL CHANGES LOCK-ON/OFF SWITCH FOR EXTENDED USE APPLICATIONS, Weight: 6.0 pounds, Manufacturer: Bosch