Product Name: Expansion Bolt Material - The Heavy Duty Fixing Anchors is made of Carbon Steel, Galvanized surface,waterproof, abrasion resistant, corrosion resistant, never rust and durable Application:Heavy Duty Fixing Anchors be widely used in fence, burglarproof doors and windows, canopy, air conditioning rack fixation, home decoration, engineering, etc. Pack of 8 Pcs Hex Bolt Sleeve M6 x 8 x 60 mm Thread Dia: M8 x 60mm Overall Length: 65mm Note: It does not include other things, the color is based on the first picture, and the other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thanks!