THIS LISTING IS FOR A PACK OF EIGHT SILICONE O-RINGS WHICH ARE SUITABLE FOR REBUILDING THE SHOCKS ON THE KYOSHO 1/10 SCALE BUGGY/TRUCK FAMILY OF CARS (ULTIMA RB5, RB6, RT6, LAZER ZX-5, ZX5 AND ZX6). SUITABLE FOR BIG OR SMALL BORE KYOSHO 1/10TH OFF-ROAD SHOCKS. THEY ARE IDENTICAL TO THE SILICONE O-RINGS SUPPLIED IN THE W5184-05 BIG/SMALL BORE SHOCK O-RING SET BUT ARE A MUCH MORE ECONOMICAL WAY TO REBUILD ALL FOUR SHOCKS ON YOUR CAR. SEE MY OTHER ITEMS FOR LOTS OF OTHER KYOSHO/DURANGO/SCHUMACHER/HOTBODIES/HPI PARTS!!