Our Precision Hobby Knives are made in four distinct sizes, catering to the needs of your particular job, craft or project. Equipped with interchangeable surgically sharp blades, these knives can be used in a myriad of industrial and hobbyist applications. The Heavy-Duty Hobby Knife offers a stout hexagonal handle and is intended for use on carpet, roofing, sheetrock and similarly durable surfaces.

• For slicing or scoring heavy-duty materials.
• Can be used on carpet, sheetrock, plasterboard and shingles.
• Surgically sharp cutting blades are replaceable and interchangeable.
• Aluminum handle with hexagonal head to prevent rolling.
• Locking screw chuck holds blades firmly in place.
• Can be used with Replacement Blades #1922, #1923 and #1924.