These are top-quality replacement blades for Stanley #51/#52 and Record/Stanley #151 spokeshaves.
Available in A2 (Rc60-62), O1 (Rc58-60) or PM-V11 (Rc61-63) tool steel, the blades are 2 1/8" wide by 1 7/8" high, have a 30° bevel and are lapped on the face to a flatness tolerance of 0.0005" or better over the entire surface. The blades are a hefty 3/32" thick to reduce chatter. An easy way to enhance the performance of your spokeshave.
Made in Canada.