These Shock Caps are molded from a tough composite materialFeatures:Tough composite material for long-lasting performance and increased crash resistance in all conditions - Precision manufactured to provide consistent fit of shock caps to your shock bodies - High-quality o-rings included to ensure a leak-free seal between the shock cap and shock body - Spare part for #ARA330677 and #ARA330678Includes:2 x Shock Cap 2 x O-ring (11 x 1.5mm)