Introducing the 12-1/2 Inch HSS Planer Blade (2pc) Set by POWERTEC. These wood cutting accessories are intended to serve as premium replacement blade knives for your planer. Each planer blade possesses impressively sharp, reversible dual cutting edges that produce high precision cutting action for a variety of woodworking applications. Premium Build: Designed with a high speed steel construction that offers a combination of durability, along with wear and heat resistance. Whether you're a professional or hobbyist, HSS blades allow you to cut at higher speeds when compared to traditional alloys. This not only improves your cutting capabilities, but your efficiency and workflow. They also come equipped with machined locator holes that help you safely align the knives to the planer cutting head with minimum effort. Compatible with: Craftsman: 23378 233780 23315 JET: 708522 708813 JWP-12-4P JWP-12DX Rockwell: RK9018 Wilton: 34463 99178 Blade Specifications: Overall Size: 12-1/2" x 23/32" x 1/8" Length: 12-1/2" (318 mm) Width: 23/32 (18 mm) Thickness: 1/8" (3.1 mm) Material: HSS POWERTEC is a leading manufacturer of high quality woodworking tools and accessories, machines, and an assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the latest innovations, technology, and product development to the industry.