This composite shock part and O-ring set provides a collection of shock absorber spare parts for your RC tool box.Features:Tough composite material for long-lasting durability in all conditions - Precision manufactured shock absorber parts for fast and easy suspension servicing - Carefully selected O-ring material for smooth, leak-free shock action - Selection of spacers for ride-height tuningIncludes:2 x O-Ring Spacer 2 x Shock Piston 2 x 7mm Pre-Load Spacer 2 x 5mm Pre-Load Spacer 2 x 3mm Pre-Load Spacer 2 x Shock Cartridge 2 x Spring Location Ring 2 x Shock Cartridge Top 2 x O-Ring 8 x 1.5mm 4 x O-Ring 2.6 x 2mm