Sea to Summit Field Repair Buckle Side Release 2 Pin-.5. 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. Uses One-pin side release buckles replace closures found on most top-loading backpacks. Two-pin side release buckles are a direct replacement for non-adjustable buckles commonly found on dry bag closures and some backpack waist belts. Features of Sea to Summit Field Repair Buckle Side Release 2 Pin: Offered in .75 in / 20 mm and 1 in / 25 mm sizes Package Contents: Sea to Summit Field Repair Buckle Side Release 2 Pin Sea to Summit Field Repair Buckle Side Release 2 Pin-.5