The Makita SG1251J Wall Chaser features an improved trigger switch, operable with the fingers of the hand holding the top handle. With an ergonomically designed front handle that can be adjusted to multiple positions. The main top handle also has a rubberised soft grip for comfort. Adjustable cutting width in 9 stages by inserting spacers SJS (Super Joint System) to prevent motor burn out. With a soft start, constant speed control and electronic current limiter for overload protection. Can be connected to a vacuum cleaner for a clean working environment. Specification Input Power: 1,400W No Load Speed: 10,000/min. Blade: 125 x 22.23mm Bore Max. Cutting Depth: 30mm Cutting Diameter: 3mm Steps 6-30mm Weight: 4.5kg