Description The Stopper Sleeve by Ironridge is a spacer that clips onto the UFO module attachment to create an end clamp that matches your module frame depth. Choose from various Stopper Sleeve sizes from 30mm through 46mm. Stopper Sleeves allow the UFO module attachment to grip a solar module only on one side. They provide a sleek, rounded finish to your UFO end clamps. Not the clunky square clamps you find with other systems. Want to hide your end clamps, and cut your rails flush to the edge of your modules? Check out the Ironridge CAMO hidden end clamp. Stopper Sleeve by Ironridge
