These Door Edge Heads come in 6 different versions. There are 3 versions for left hand (LH) heads and 3 versions for right hand (RH) heads. Left Hand (LH) Heads and Profile Knives:
Use when feeding from left to right with face up or use when feeding from right to left with face down
Righ Hand (RH) Heads and Profile Knives:
Use when feeding from right to left with face up or use when feeding from left to right with face down
Each version is available with a 3/4” bore and there are 2 versions with a 1-1/4” bore. One of them uses an outer (minor) diameter of 3-1/2” while the other version uses an outside diameter of up to 7” (depending on profile, the OD can differ by a few fractions). For other bore dimensions (such as 1”, use a 1-1/4” bore along with T-Bushings (please inquire if you need T-Bushings).