Specification Brand : Samiflex BulletPoint1 : Retaining rings are provided with a locking screws as standard. BulletPoint2 : Retaining rings are used with Samiflex hubs and an Electomeric inserts (sold separately). Inserts are available in standard, high temp., and high performance. ItemName : Samiflex A4 Flexible Coupling Polyamide Plastic Retaining Ring ItemPackageQuantity : 1 ItemTypeKeyword : gear-and-sleeve-couplings Manufacturer : Samiflex Material : polyimide NumberOfItems : 1 PartNumber : A4RING-PY ProductDescription : Samiflex A4 Flexible Coupling Polyamide Plastic Retaining Ring is used with two hubs to hold a Samiflex coupling insert in the correct alignment. ProductSiteLaunchDate : 2020-05-20T16:07:27.936Z Style : Modern