• Used to anchor wiring to masonry materials such as concrete
• Installed into pre-drilled holes
• Non-threaded end is inserted into the whole then struck to expand
• The "eye" of the anchor has a 1/4" Diameter
• Corrosion resistant
• Not recommended for exterior use

A 1/4" (CR+3) Zinc plated steel Acoustical Wedge Anchor is used to secure or anchor suspended wire to masonry surfaces, typically concrete ceilings.