The DS11 is a heavy duty and powerful diamond chain saw that is ideal for fast cutting of concrete reinforced concrete conduit brick stone and other masonry. Plunge cut capability allows quick cutting of window door conduit and duct openings in walls and notching and trimming of concrete pipe. Trigger activated water for lubrication and cooling is ported through the bar and applied at the point where the concrete is being cut. The DS11 features ergonomic handles and guards to help reduce operator fatigue water connection flush face quick disconnect couplers and is powered by a STANLEY Hyrevzª motor. The Wall Walkerª that provides leverage for cutting is standard equipment. The bar and chain are sold separately.