The Field Repair Buckle is designed to permanently repair broken buckles with just the help of a screwdriver. All Sea to Summit dry bags feature Field Repair Buckles, from the lightest Ultra-Sil Nano dry sack to the heaviest Hydraulic dry bag. Don't let a broken buckle ruin your adventure. Be prepared and carry a Field Repair Buckle in your repair kit. Field Repair Buckle 50mm / 2 side release 1 pin