13 inch planer knives deliver smoother, more consistent cuts for thickness planers, helping you refresh dull blades fast and reduce tear-out. This 3-pack of single-edge replacement knives is made from 2 mm thickened high-speed steel, heat-treated to HRC55–60 for strong edge retention in everyday woodworking. Precision machined locator holes support quicker alignment during swaps, so you spend less time setting knives and more time planing.

When your planer starts leaving ridges, burning, or fuzzy grain, a fresh knife set is the quickest fix. These high-speed steel planer blades are built for repeatable results across common softwoods and hardwoods, with a thickened profile designed for dependable performance under routine feed rates. Keep a spare set on hand to avoid downtime mid-project—swap, align, and get back to producing a cleaner surface finish. Grab yours today and keep your planer cutting the way it should.