Specification Brand : uxcell BulletPoint : Drop Forged, Hot Galvanized Eye Lag Bolts with Shoulder BulletPoint1 : Main Size. Standard M6 expansion bolts with 75mm length, and the ring Inner Diameter is 16mm. BulletPoint2 : Materials. Made of premium 304 stainless steel, provides a rust protection and precise size. BulletPoint3 : Installation. Suggested a 10mm Dia. hole for drilling, and tight the anchor bolt with a wrench after putting the screw. The bolt transfers forces to the sleeve, with the expansion of sleeve, a solid connection has been built between a concrete wall and the wedge anchor nut. BulletPoint4 : Application. Fit the concrete wall or masonry, for hanging or lefting the super heavy things like a big shelf. It's durable and reliable. BulletPoint5 : Details. The eye type is drop forged eye, such eye bolts are designed to attach a securing eye to a structure and then tie to ropers or cables. Color : Silver ExteriorFinish : Stainless Steel ItemName : uxcell® M6 x 50 Expansion Eyebolt Eye Nut Screw with Ring 304 Stainless Steel Anchor Raw Bolts 4 Pcs ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : eyebolts Manufacturer : uxcell ManufacturerGrade : Grade 304 Material : Stainless Steel MetalType : Stainless Steel ModelNumber : modle NumberOfPieces : 4 PartNumber : a18121200ux0003 ProductDescription : Screw Size: M6 Overall Length: 75mm Eye Nut Height: 30mm Inner diameter of the ring: 16mm Sleeve Inner Diameter: 6mm Sleeve Length: 35mm Suggested Hole Size: 10mm Dia. Total Weight: 144g Materials: 304 Stainless Steel Application: Concrete and masonry Package Content: 4 x pcs M6 x 50 Expansion Eye Bolt