As the professional manufacturer of the post-press binding machine spare parts, HXCP Spare Parts Department supply the spare parts from the mainstream brands of Three Side Trimmer Machines (Three Knife Trimmer), such as Wohlenberg (44FM50, 44FS50, Trimtec 56i, etc), Müller Martini (Merit, Zenith, Orbit), Kolbus (HD 143P, 151P, 152P, 153P), etc.. Please contact us WhatsAPP 008618610551470 if you are looking for the spare parts of three knife trimmer.