Specifications: 1) Input power: 1400W 2) Speed: 8,000rpm/0-8,000rpm 3) Disc size: 180mm 4) Sp Specifications: 1) Input power: 1400W2) Speed: 8,000rpm/0-8,000rpm 3) Disc size: 180mm4) Spindle thread: M145) Angle grinder power tool6) Easy to operate7) Soft start is available8)Red light ask for carbon brush replacement