nuts clamp black steel sheet like a cross. blurred blue concrete wall background.

iron lighting furniture window glass wood blue wall floor flooring art light metal white door black nuts clamp steel sheet like cross blurred concrete background fixing screws pole help pull support falling wind concept safety fastening anchor attached background cable chain clamp clipping connection construction device distribution electric electrical electricity equipment fittings flexibility gear gray industrial industry instruction iron line lock machinery metal metallic nut nuts object outdoor pole power protection pulling rods roll rope rusty safety security stainless steel strong tension tool white wire