Roberts Cushion Back Cutter The ROBERTS Cushion Back Cutter features an adjustable blade depth and is set at a 30° angle for improved efficiency when cutting cushion-back or conventional carpet of any thickness. The dual blade, press-fit design allows for faster blade change as well and ensures cutting close to the yarn edge for a perfect seam. This carpet cutter works with square- and round-end carpet blades. Features New and Improved Dual blades positioned at a 30° angle for improved efficiency, cuts all thicknesses of cushion-back and conventional carpets Press-fit design for faster, more efficient blade change Long-lasting stainless steel construction for maximum durability Tapered bottom glides between carpet rows for better separation Non-slip, comfortable grip for better hold that minimizes hand fatigue Works with square- and round-end carpet blades Sold individually