The Hitachi 4 1/2in. Angle Grinder is lightweight and compact offering performance and durability. Its perfect for grinding metal and masonry, removing rust and paint, and sanding various surfaces. At just over 3 lbs., the high power-to-weight ratio allows for optimal control and maneuverability. Low-profile gear housing and a compact body make working in tight areas possible. Wheel Diameter (in.): 4 1/2, Amps: 5, Height (in.): 5.1, Speed (RPM): 11,000, Switch Type: Slide, Spindle Thread Size: 5/8in. - 11, Spindle Lock: Yes, Side Handle: Yes, Variable Speed: No, Wheel Included: No, Wrench Included: Yes, Case Included: No, Dimensions L x W x H (in.): 5.7 x 12.7 x 5.1 Powerful 5 amp motor produces 300 watts of output power Rugged glass reinforced polyamide resin body and precision die-cast aluminum gear housing for performance and durability Spindle lock allows quick and easy accessory changes Small perimeter grip and forward-canted side handle add user comfort Externally accessible carbon brushes simplify on-site maintenance and extend tool life Trigger lock-on allows continuous operation