Makita 9557HNG Grinder Machine The Makita Grinder Machine 9557HNG 115mm is Powered by an 840W high-performance motor with enough power for masonry cutting and high heat resistance providing 11,000 rpm. The Grinder Machine has a small circumference barrel grip for easy handling. The Makita Grinder Machine 9558HNG has a shaft lock for easy wheel changes, and Labyrinth construction protects all ball bearings from dust and debris. In addition, double insulated to protect the user, the dust collecting system helps provide a cleaner work environment and ensures reliability and long life. Powerful Features: Double insulation: Double or reinforced insulation is another method of protection against electric shock, consisting of an extra layer of supplementary insulation over the basic insulation, or the live parts. Double insulation devices protect the user through two independent isolation systems. These systems protect electric motor components from the outer motor housing and tool holding areas. Dust Collecting: The dust collector is designed to reduce the amount of dust produced during cutting and concrete dust generated during drilling on the job site, allowing you to work efficiently and comfortably. Makita Grinder Machine Features: Labyrinth construction protects all ball bearings from dust and debris. Small circumference barrel grip for easy handling. Shaft lock for easy wheel changes. Easier repairing of gear section assembled with key. Makita Grinder Machine Accessory: Lock Nut Wrench. Grip. Double Insulation Compact & Lightweight Side handle for operator control Lock-on switch to reduce user fatigue Ideal for general grinding & cutting applications Continuous rating Input 840W Capacity / Depressed center wheel: 115mm (4-1/2") Capacity / Abrasive disc : 115mm (4-1/2") Capacity / Diamond wheel: 115mm No load speed / 11,000rpm Dimensions / 271mm x 129mm x 106mm (L x W x H) / (10-5/8" x 5-1/8" x 4-3/16") Spindle thread / DIN type Net weight / 2.0kg (4.4lbs) Power supply cord / 2.5m (8.2ft)