Specification Brand : ONESTOPDIY.COM BulletPoint1 : Which features is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using and prolong screws lifespan. BulletPoint2 : Expansion Screws Hooks Eye Bolt Open Anchor Hook BulletPoint3 : Material: 316 Stainless Steel BulletPoint4 : Standard: Metric BulletPoint5 : Thread Diameter: M6 (6mm), M8 (8mm) Color : Yzp Yellow Zinc Plated Steel ExteriorFinish : Yellow Zinc ExternallyAssignedProductIdentifier : 5059397142614 ItemName : One Stop DIY 4 X Sleeve Anchor Hook Rawl Type Bolt Fixings M12 X 71mm NEW ItemPackageQuantity : 4 ItemTypeKeyword : hook-anchors Manufacturer : One Stop DIY ManufacturerGrade : Grade 2 Material : 12mm x 71mm NumberOfItems : 1 PartNumber : VARI-2C0B4PA ProductDescription : Masonry Anchors, ZYP Finish,Tough and reliable construction to cover most heavy duty fixing applications offering strong and secure anchorage.