YKK® Side Release Buckles are extra strong buckles for applications that require strength and durability. These heavy-duty buckles are made from Polyacetal (POM), a strong plastic that bridges the gap between metals and ordinary plastics in stiffness, hardness, dimension, stability, and toughness. YKK Side Release Heavy Duty Buckles are resistant to solvents, fuel and abrasion and shows lower wear and friction than other buckles. Side release structure prevents accidental opening, while remaining easy to open with one hand. Use YKK Heavy Duty Side Release Buckles on life jackets, webbing belts, duffle bag straps, and boat covers. Click here to order: https://www.sailrite.com/shop/hardware/fasteners/buckles?facet_brand=YKK&utm_source=DIY&utm_medium=Heavy_Duty_Buckle YKK is a registered trademark of YKK CORPORATION in Japan and other countries/regions.