Mobius Bed Knife and Spacer Bar RackThis rack can safely store three bed knives and three spacer bars when not in use, or can secure three bed knives blade up to help clean the stickiest of residue. It's like having a second set of hands. They fit easily within our Soak N' Store tubs and can be submerged in your cleaning solution to easily scrub away resin and plant material. Can't find the Mobius replacement part you're looking for? Give us a call or email an expert.