Bevel & Radius Replacement Knife for Insert-Pro Door Making Rail and Stile Set

Replacement Knives For Interior / Exterior Door Heads Designed to fit on Infinity Tools Insert-Pro Interior / Exterior Door Making shaper heads, these knives are made from a C4 sub-micron grade of carbide that will last longer and outperform any brazed carbide cutters on the market. You will love the razor-sharp edges and precision-ground mirror finish. The quality of cut they produce is superb and sharpening is very simple. We offer five (5) popular door making profiles to give your Door Making System maximum versatility. Please note: Two (2) replaceable Insert-Pro knives are required per each head (top & bottom), so a total of four (4) are required per set-up. Each knife is sold individually.