item: oil seal model :TC ,TB,TA ,DC,SC,SB material: NBR ,Silicon,VITON color :black ,red ,brown,others item: oil seal model :TC ,TB,TA ,DC,SC,SB material: NBR ,Silicon,VITON color :black ,red ,brown,others brand : according to clients' requirement good rubber material ,very high quality ,very competitive price,very prompt delivery oil seal DC