This standard-duty art knife is the perfect complement to your delicate work with it's acutely pointed blade for precision. OLFA's pen-like knife features a contoured handle and textured grip for comfort and stability. Quick-spin easy blade change. This blade made from high quality carbon tool steel is produced using OLFA's precise multi-step production process for unparalleled sharpness and superior edge retention. For right and left handed use. Package includes 5 spare blades.Uses OLFA's KB Replacement Blades. Guaranteed Forever.