Spiral Cutterhead for Axminster CT1502 6" Jointer with 30 Carbide Inserts Retrofit your 6" jointer and you will be thrilled at its phenomenal performance. * Finish is far superior to OEM knives, don’t have to pay attention to grain direction so much. * Operation noise is dramatically reduced. * Shavings are smaller and dust collection is much better. * Every carbide insert has four cutting edges. Life span of carbide inserts is 50 times of that of straight blades. You will never want to go back to straight knives after the upgrade. * Reduces your sanding work by three quarters. * Insert change-over is easy and takes only minutes. Spiral Cutterhead Kit includes: * High tensile strength alloy steel cutter block. * 30 carbide inserts are installed. * 5 extra carbide inserts & 5 extra screws free as spare parts. * 2 Japan sealed bearings pre-installed. * 1 Wrench