Makita GA5021C 125mm Angle Grinder with SJS & Anti-Restart The Makita GA5021 features a large type switch trigger and Super Joint System (SJS). Makita SJS Grinders include a innovative mechanical clutch system which allows the drive shaft to slip if the wheel catches or binds. FEATURES SJS - Super Joint System gives up to 12.5% vibration reduction with large style trigger Electronic control with: Anti-start function, Constant speed control and Electronic current limiter Durable nameplate PC material sheet protects against rubbing/scratching off Large shaft lock button Small gear housing for increased manoeuvrability SPECIFICATION Continuous Rating Input: 1450 W Bore diameter: 22.23 mm Max Capacity - Depressed Centre Wheel: 125 mm Net Weight: 2.5 kg No Load Speed: 12,000 rpm Overall Length: 390 mm Power Supply Cord: 2.5 m