This concrete anchor is made of premium material, which can withstand long-lasting use. Features the carbon steelmaterial, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:As Shown -Material:Carbon steel -Size:8.50X1.80X1.80cm/3.34X0.71X0.71in Socket diameter: 10mm Screw roddiameter: 8mm - The expansion sleeve bolts are made of carbon steel, which is wear-resistant, rust-free and durable. - Hex bolt sleeve concrete anchor for easy installation, expansion bolts come with nuts and washers. - The expansion bolt is easy to install: drill a hole on the wall, put the expansion screw into the hole, and tighten the nut of the expansion bolt outside the opening with a wrench to achieve the expansion effect. - It can be used to fix heavy household items such as water heaters, air conditioners, anti-theft doors and windows, canopies, etc. - Outstanding workmanship, reasonable design, stable and practical, will bring you a good using experience. Package list: 10 x Concrete Anchors