The Makita Metal Cut Saw, DCS552Z, replaces the previous model, DCS550Z. Ideal for professional tradesmen the DCS552 is specifically designed to cut through various types of metal sheet. The saw features a no-load speed of 3,600rpm, giving it the power to cut through multiple sheets at once without creating lots of sparks. The built-in dust box reduces clean-up time and creates a safer working environment. Features and Benefits: Electric brake LED job light Built-in dust collection box Easy disposal - metal chip/dust can be thrown away by opening the cap of the dust box Stainless steel base plate Heavy gauge, precision machined base for smooth, accurate cutting and added durability Compact, ergonomic design and lightweight for reduced operator fatigue Large view window .