PCS-500 is a water cooled, Variable Speed (50-3400 rpm) Sectioning Machine to section PCB Coupons, Weld Coupons and other small parts. The PCS-500 uses 5" Diamond Blades and features enclosed Coolant Chamber and Stainless Steel Cutting Table. Non-Corrosive ABS Construction. Available Mark V Lab 5" Diamond Blades are DB520 Regular Cutting & DB515-8 Fine Cutting.110V