Preamer 5-Pack Eyebolt Bolt Stainless Steel Wall Concrete Brick Anchor Expansion Bolts Ring Screw Eyes

Easy to install.Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole. Stainless steel finish offers rust protection Used in concrete and masonry Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole Widely used in fence,burglarproof doors and window,canopy,air conditioning fixation,home decoration,engineering,etc.