For Model #s 67BSD,87DLX,67GSA,69DLX,701ECF,601PF---FMC OR Barett 400,500,700 Hoffmann/RJ West True Cut 400/401Hoffmann/RJ West part# 722-83-4---Perfect Equipment Model # 400 & 450 Twin Turn -Part # W139---3 cut edges---positive rake with .020 radius. Lef