The MF-1N fits every Hasselblad camera perfectly and is available for all models with the exceptions of the EL and Super Wide. NPC has replaced the normal plastic top section of the Polaroid CB-103 film chamber with a solid, machined, black anodized aluminum plate.
To ensure strength and longevity, they have eliminated the light duty plastic hinges and replaced them with machined hinges pivoting on stainless steel bearings. Additionally, to decrease stress on the pivot points, the latch that holds the two halves of the film chamber closed have been modified with the use of stainless steel hinge pins.