detail of open swage socket also are used as an end termination on overhead crane hoist lines

aged applications background bits bolt braided clamps closeup concept connecting connection connections crane design detail duty equipment eye fastener fitting fixation fixing flexible galvanized generally grunge heavy hoist hoisting industrial industry installed iron joint lifting line lines link lock members metal metallic nut object old open overhead piece puller pulling rigging rope rust rusty screw securing shackle socket space steel strength strengthen strong structural structure surface swage tackle tensioner termination tight turnbuckle u-shaped used variety wallpaper