Specification Brand : Isslly BulletPoint1 : Specification - The outer diameter of the rubber spider insert is about 1-3/4" (1.75in/4.45cm). BulletPoint2 : High-Quality Material - The sider center insert is made of premium NBR rubber and sturdy, impact resistant, high temperature resistant and wear resistant, not easily damaged and deformed, long time for use. BulletPoint3 : Application - L075 rubber spider inserts are suitable for L075 L-Jaw coupling set. BulletPoint4 : Function - The L type coupling bumper pad is used for cushioning and shock absorption in machinery and pipe fittings. BulletPoint5 : Package Include - You will get 6 pcs L075 NBR rubber spider inserts. ExternallyAssignedProductIdentifier1 : 0749346891698 ExternallyAssignedProductIdentifier2 : 749346891698 ItemName : Isslly L075 Flexible NBR Rubber Spider Insert, 6PCS Solid Spider Center Inserts Fits for L Jaw Coupling Set -Black ItemPackageDimensions_Height : 1.2 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 16 centimeters ItemTypeKeyword : spider-couplings Manufacturer : Isslly Material : Rubber NumberOfItems : 6 PartNumber : HX6679-M ProductDescription : Specification: Material: NBR rubber Size: diameter: about 1.75in/4.45cm Thickness: about 0.41in/1cm Color: Black