Overview Reviews Product Description Acoustic wedge anchors are a wedge-style expansion anchor for use in normal-weight concrete or in concrete over metal deck. Papco Anchors Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Paulin 1/4" x 2-1/4" Zinc Plated Acoustic Wedge Anchor 150 Pc. 537-402 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *