Sea to summit side release 1 pin field replaceable buckle 25mm description sea to summit field repair buckles are an easy and permanent solution for broken or worn out buckles the patent pending design allows you to repair broken buckles in the field using only a screwdriver as an added benefit there is no need to take it to have replacement buckles sewn on when back from the field the one pin side release buckles replace single adjustable side release buckles like the closures foun