roberts 10-616-2a conventional carpet trimmer roberts the roberts conventional carpet cutter allows you to cut carpet cleanly and quickly along walls and cabinets and under toe kicks with one easy push. the adjustable, comfort, non-slip handle has five different settings to make cutting in tight places easier. simply fold down the handle, with quick and positive vertical and horizontal adjustments, for hard-to-reach areas. the roberts conventional carpet cutter has ultra-high precision stamped stainless steel parts and die cast aluminum handle and body. this carpet tool is durable and built to last. hardened stainless steel guide and unique two-blade design for left and right cuts make this carpet trimmer extremely user friendly compared to other carpet cutting tools. this high quality professional grade cutting tool is exponentially faster than using a regular carpet knife. the blades are also adjustable for height and different carpet thicknesses. with twenty heavy duty slotted blades included and a re-designed blade holder, the roberts carpet cutter is perfect for a quick accurate cut design. it also converts to cushion back and resilient trimmer with 10-906 carpet trimmer adapter and uses 10-388 or 10-444 replacement blades. you will never want use another carpet knife again with this amazing cutting tool warning: this product can expose you to chemicals which is [are] known to the state of california to cause cancer and birth defects or other reproductive harm.