With 500 lbs (226KG) of breaking strength, the Alu-Max Side-Release Buckles are more than twice as strong as most plastic buckles on the market today.
Made of aluminium, with stainless steel pin and spring. Suitable for use in sub-zero temperatures.
Patent numbers: US: 6,792,654 & D469,382 European: EU 1,280,432 Canadian: CA 2 407 826 South Africa: ZA 2002/8699 Australia: AU 2001265754