Porcelynne Beige Nylon Coated Metal Replacement Bra Strap Ring - 3/4" (18mm) Opening - 50 Pairs (100 Pieces) Beige Nylon Coated Metal hardware. Used on bra straps, tank top straps and headbands. Accommodates 3/4" wide elastic. Opening is 3/4" round. Replacement hardware for straps. Matching hardware also available by Porcelynne