The concrete anchor is convenient and practical, with excellent texture, and without being easily damaged. The craftsmanship can serve you well without breaking easily. This concrete anchor is a very practical and reliable for your needs. Features -Color:Multi -Material:Carbon steel -Size:8.50X1.80X1.80cm/3.34X0.71X0.71in Socket diameter: 10mm Screw rod diameter: 8mm - Easy to install, simply use the electric drill hole, and then insert the bolt into the hole. Hit with a hammer, then screw on the bolt. - Adopt high grade carbon steel material, very sturdy and , can withstand long period of time. - Easy to use, drill a hole, then insert the drop-in into the drilled hole, fix anchor to the concrete with bolts or machine screws. - Suitable for machining, medical machinery, construction industry, bridge construction, and etc. - Easy to operate and to install with the simple structure, to provide you with relaxed way of application. Package list: 10 x Concrete Anchors