Specification Brand : Samiflex BulletPoint : Mpn: 1" BulletPoint1 : Samiflex Elastomeric Inserts are designed to withstand harsh environments with minimal maintenance. BulletPoint2 : Samiflex Elastomeric Inserts are easy to install and fster to change out than any other coupling insert. BulletPoint3 : No lubrication or maintainance is required over the life of teh insert. BulletPoint4 : Can be replaced without moving or disassembling the driver or driven equipment. BulletPoint5 : No metal to Metal contact. Color : Blue ExteriorFinish : Metal FinishType : Blue Anodized ItemName : Samiflex Hub A4B Standard Cast Iron, 3-3/8" Bore, STD KW, 2 Set Screws A4BHUB-004 ItemPackageQuantity : 1 ItemTypeKeyword : gear-and-sleeve-couplings Manufacturer : Samiflex Material : Cast Iron NumberOfItems : 1 PartNumber : A4BHUB-004 ProductDescription : Samiflex Hub A4B Standard Cast Iron, 3-3/8" Bore, STD KW, 2 Set Screws A4BHUB-004. Used with a Samiflex insert and retaining ring (not included - sold separately). ProductSiteLaunchDate : 2023-05-10T21:03:08.197Z Style : Classic UnspscCode : 31161500