The general cutterhead size is 0.088" (approximately 1/16 in) smaller than the original OEM head to permit installation without eliminating the carbide inserts. The ORIGINAL SHEar & heLIX and spiral cutter non-grind style. Woodworkers understand that a shear cut is far much better than a straight cut. You also understand that a stagger cut is better than just a single straight knife and is a lot simpler on your dust collection system. If you just take place to aircraft a nail or staple, it is not essential to change expensive knives the complete length of your planer head. Change 2 or 3 little affordable knives and you are ready to go. The SHELEX is extremely peaceful compared to other blades.
Cutterhead diameter is 0.088" (roughly 1/16 in) smaller than the original OEM head to allow for installation without removing the carbide inserts.
C3 carbide cutters lasts an average of 10 times longer per side (4 sides = 40x) than traditional steel knives.
Spiraled to break up chips for dust collection, shear to give clean cutting action
True helical cut (slices the wood) which greatly reduces noise and tearout
Pocket for cutters makes replacing them easy and creates perfect alignment