From the Manufacturer
Resilient enough to be used on materials that would dull a traditional bench plane blade. Manufactured with a metallic-gray, die-cast alloy body. High-impact polymer handle holds up to heavy use. Fitted with a replaceable (10″/250mm) blade.
Regular cut blade. Forms and trims wood, plywood, composition board, asphalt tile, hard rubber, plastic aluminum, brass. Aluminum body, 10″ long with solid hardwood handle and knob. Uses replacement blade model No. 21 293, 21 299 and 21 393.