DURABLE VERSATILE AND COST-EFFECTIVE OUR 307B DIE GRINDER ARE PERFECT FOR PORTING WELD GRINDING SMOOTHING EDGES DE-BURRING AND POLISHING. IT'S COMPACT DESIGN OFFERS EXCEPTIONAL MANEUVERABILITY AND ACCESSIBILITY FOR DIFFICULT-TO-REACH SPOTS. POWERFUL MOTOR DELIVERS 0.25 HP (0.19 KW) AT 28000 RPM FREE SPEED. DURABLE BALL-BEARING CONSTRUCTION IMPROVES BALANCE REDUCES VIBRATION AND ENSURES A LONGER LIFE. STRONG ALUMINUM HOUSING WITHSTANDS TOUGH OPERATING CONDITIONS ACCESS TO TIGHT SPOTS. SAFETY-LOCK THROTTLE LEVER IS EASY TO USE AND CAN PREVENT ACCIDENTAL START UP. FRONT EXHAUST HELPS KEEP WORK SURFACE CLEAN.