ARRMA ARA330738 Shock Cartridge Set for Arrma 8S / This Shock Cartridge Set contains ideal replacement parts for your kit supplied items. Key Features: Tough composite material for long-lasting durability in all conditions, precision manufactured shock absorber parts for fast and easy suspension servicing, suitable for 6mm thick shock shafts. What’s In The Box? 4 x Shock Cartridge, 4 x Shock Cartridge Cap, 4 x Shock Cartridge Spacer.