Specification Brand : Magnet Expert BulletPoint1 : INCREASE LOAD CAPACITY IN A SHEAR POSITION. Placing a cap over the magnet increases the magnet's load capacity in a shear position because its friction and resistance to sliding have increased. BulletPoint2 : PROTECT DELICATE SURFACES. Rubber caps are designed to protect magnets and any delicate or scratch-sensitive surfaces they attract to. BulletPoint3 : SPECIFICATIONS. Each rubber cap is 21mm dia x 4mm high x 0.5mm thick. Designed to fit a circular magnet with a 20mm diameter. BulletPoint4 : SPECIFICATION: Available in packs of 4, 20, 40 and 80mm. Each rubber cap is 21mm dia x 4mm high x 0.5mm thick. Each rubber cap is 0.83 in. dia x 0.16 in. high x 0.02 in. thick. Color : Silver ExternallyAssignedProductIdentifier : 7435441842873 ExternallyAssignedProductIdentifier1 : 5055641249023 ExternallyAssignedProductIdentifier2 : 05055641249023 IncludedComponents : Magnets ItemName : Rubber Cap Suitable for 13/16 in. Dia Magnets - 27/32 in. Dia x 5/32 in. high x 1/32 in. Thick (Pack of 4) ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 1.4 centimeters ItemPackageDimensions_Width : 4.9 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemShape1 : Round ItemShape2 : Cylindrical ItemTypeKeyword : industrial-rare-earth-magnets Manufacturer : Magnet Expert Material : Neodymium,Neodymium Magnet,Glass ModelNumber : RUB20-4 NumberOfBoxes : 1 NumberOfItems : 4 NumberOfPieces : 4 PackageLevel : unit PartNumber : RUB20-4 ProductDescription : You can buy high quality magnets here! Nickel-plated neodymium magnet ProductExpirationType : Does Not Expire ProductSiteLaunchDate : 2022-07-28T10:52:54.257Z Size : 5 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4