Sea to Summit Field Repair Buckles are an easy and permanent solution for broken buckles. The design allows you to repair broken buckles, 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. Several Sea to Summit dry bags feature Field Repair Buckles: Stopper Dry Bags, Clear Stopper Dry Bags, Hydraulic Dry Bags. FeaturesThere are two styles of side release buckle and a ladder lock, all offered in two widths: 34 in 20mm and 1 in 25mm.. The one pin side release buckles replace single adjustable side release buckles, like the closures found on most top loading backpacks.. The two pin side release buckles are a direct replacement for nonadjustable buckles such as those commonly found on dry bag closures and V pull style waist belts.