This sale is for one near mint condition Mamiya RZ67 / RB67 / 645 77mm front lens cap, suitable for use with all RB67 and RZ67 lenses except a few very large ones like the 75mm shift and several 645 lenses.
This Mamiya cap is in great condition with only minimal signs of use. It has the Mamiya name in black. The pressure clips are working correctly to keep the cap on your lens. If you want a few caps (or other sizes), just ask.