1-3/8" Cutter Width. Includes (1) 12-504 Cutter Blade. Ideal for planing end grain and plastic materials 13-1/2° low angle cutter on the 12-960 block plane keeps vibration to a minimum, creating a fine finish Gray, cast-iron base with precision-ground sides and bottom Finger grips machined into sides make single-handed use easy Hardened, tempered steel gives precision-ground cutter edge durability Cutter adjusts for depth and alignment, offering precise control Durable epoxy coating for long-lasting protection Quick-release cam-lock makes iron removal easy