Specification Brand : Guardian Fall Protection BulletPoint1 : Design includes a full size D-ring for easy connections BulletPoint2 : Single anchor for installations 10K and below BulletPoint3 : Dual swivel for 360-degree mobility BulletPoint4 : For temporary and permanent applications BulletPoint5 : Easy and quick installation Color : Zinc-plated stee ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 672421920993 ExternallyAssignedProductIdentifier2 : 0672421920993 ExternallyAssignedProductIdentifier3 : 00738287126839 GradeRating : Grade 304 IncludedComponents : Anchor, Instruction Manual ItemName : Guardian 10010 10K Swivel Anchor | 5/8 Inch by 6 Inch Expansion Anchor | Full Size D-Ring | Zinc-Plated Stainless Steel ItemPackageDimensions_Height : 23.3 centimeters ItemPackageDimensions_Length : 3.6 centimeters ItemPackageDimensions_Width : 15.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : expansion-shield-anchors Manufacturer : Guardian ManufacturerGrade : Grade 304 Material : Stainless Steel MetalType : Stainless Steel ModelName : 511098 ModelNumber : 10010 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 8 PackageLevel : unit PartNumber : 10010 ProductDescription : Description: Size:M6x50mm expansion bolt Thread Diameter:0.24inch/6mm Total Length:1.97inch/50mm Expansion Tube Diameter:0.31inch/8mm Package includes: 8 Pcs Expansion Bolts Universal replacement anchor assembly for in-ground swimming pool safety covers and mesh covers -Solid stainless steel anchor assembly,fits 0.31inch/8mm Hole -Universal replacement pool cover anchor for any safety covers -Designed for concrete and Pavers deck -Made from high quality 304 stainless steel metal-longer durability in harsh cold weather,humid environment Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole. Widely used in fence,burglarproof doors and window,canopy,air conditioning rach fixation,home decoration,engineering,etc. No rust,no deformation,non-pollution. How to use: Put the expansion screw into the ground or the hole on the wall and then tighten the nuts of the expansion bolt with wrench. The bolt goes outside while the metal sheath does not move. Thus the bigger head of the bolt will expand the metal sheath, making it fill the whole hole. Now, the expansion screw can not be pulled out.