Item description: Name: TPM Package Quantity sold: 1 pc. Size: 50x34x18.40 (31.1) S=6.35 Material: NBR + TPE + POM Technical parameters: Dimensions: D -50 mm d - 34mm H - 18.40 mm s - 6.35mmTPM package seal, double-acting. The perfect and affordable solution for your application with medium working pressure. It consists of 5 elements: - central part made of NBR, - two support rings (thermoplastic material - TPE) - and two guide rings (POM). Depending on your needs, it is possible to order a package in a Viton version.