... (LRD-18) Material:NBR,EPDM,SILICONE,VITON,NR...... Size:AS568 and PG series,all size we can do... Rubber seal (LRD ... ,EPDM,SILICONE,VITON,NR......2.Size: AS568 and PG series,all state standare and non-state standard sizes are available3.Color: black ... and high quality control5. Hardness: 30-90 ShoreA Please don't be hesitate to contact us if you need them AS568& P&G ...