O-Ring Kits (LRD-01) Model:LRD-01 Size:18 different size material:NBR,VITON EPDM,Silicone.... Hardness: ... 60-90 ShoreA O-Ring Kits (LRD-01)1.Kinds: 18 sizes = 225pcs2.Apply for auto,machines,air ... ,furniture and home appliance.3.NBR,EPDM,VITION,SILICONE,HNBR,CR,all material we can do.4.Any color,can be ... are interested in anyone of them. O-Ring Kits (LRD-01)