These are the Bare Quick-Clamps Drysuit Dry Glove Clamp Assembly Set Pair They Feature: These can be attached to existing latex wrist seals for quick disconnect of dry gloves The QUICK CLAMP set can be attached to existing latex wrist seals for quick disconnect of dry gloves Inside diameter = 3.75/95 mm Sizes: One Size A fantastic feature to have on your drysuit. "