Aluminum T6061 outer tube with anodized finishHD-PE decking resistant to temperatures up to -40cFreeze free pump ratchet buckle binding system provides an effortless and precise adjustment with or without gloves.Front and rear aluminum claws for extra grip in all snow conditionsLight and freeze free strapStainless screws and hex nut fasteningAll aluminum rivetingSmall 6049 Fits 90-150 LbMedium 6050 Fits 120-200 LbLarge 6052 Fits 150-200 LbX-large 6054 Fits 180-300 Lb