Specification Brand : ASPEN FASTENERS BulletPoint1 : A wedge anchor is designed for use in concrete only. Cannot be used in bricks or blocks. BulletPoint2 : When tightened, the anchor wedges itself in the pre-drilled hole, securing the anchor in place. BulletPoint3 : The installation is permanent. The anchor cannot be removed without destroying the concrete. BulletPoint4 : Grade 307A carriage bolts, grade 2 hex nuts, and USS flat washers BulletPoint5 : The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications Color : Black ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 692559907161 ExternallyAssignedProductIdentifier2 : 0692559907161 GradeRating : Grade A307 ItemName : (50 pcs) 3/8" X 6-1/2", Wedge Anchors, Steel, Zinc Plated ItemPackageDimensions_Height : 7 inches ItemPackageDimensions_Length : 9 inches ItemPackageDimensions_Width : 9 inches ItemPackageQuantity : 50 ItemShape : Wedge ItemTypeKeyword : wedge-anchors Manufacturer : Aspen Fasteners ManufacturerGrade : A307 Material : Steel MaximumShearStrength : 20000 psi MetalType : Low Carbon Steel ModelNumber : AN045-38X612-000050 NumberOfPieces : 50 PartNumber : AN045-38X612-000050 ProductDescription : DIMENSIONAL ATTRIBUTES - Diameter (Nominal): 3/8" - Length (Nominal): 6-1/2"