Efficiently cuts most loop pile carpet regardless of thickness. The unique two-blade design accommodates both left and right positions for cutting closer to the yarn edge. Direct Contact locking design keeps blades securely in place and a specialized hroat opening adjusts automatically for different carpet back. This allows for a better cutting angle and easier blade insertion. Includes 15 Heavy Duty Slotted Blades • Constructed of stainless steel for maximum durability • Includes 15 Heavy Duty Slotted Blades Ergonomic grip for comfort and control