1.high quality 2.Size: 2-3/8 x 3/4 x 2-3/8" Edge. For All General Purposes, Cutting Corrugated Boxes, Plywood, Leather, Plastic, and Sheetrock Size: 2-3/8 x 3/4 x 2-3/8" Edge.Works with All Standard Utility Knife Handles.ORDER THIS ITEM, CALL 0086-025-52335044, 013905159815 WL-19100 10pcs utility knife blade