3 x Waterproof Push Rod Rubber Seal Bellow 34mm Long for RC Model Boat Product Name : Push Rod Rubber Seal Bellow;Outer Diameter : 13mm/0.43" Bottom Hole Dia : 5mm/0.2";Length : 34mm /1.33" Material : Rubber;Color : Black Net Weight : 5g Package Content : 3 x Push Rod Rubber Seal Bellow