These are bra hook & eyes. They measure 2 1/4 and the hooks are spaced 3/4 apart. Other colors are available, so check my shop. For lingerie
Tan Bra Making Replacement Hook and Eye Tape Closure - 3 Rows - 2 1/4 Wide - Lingerie Design, DIY Bra Supplies (HE133BN2)
Bra Hook and Eye Back Closures - bra closures - Bra-Makers Supply
Bra Hook and Eye Back Closures for Bra Making – WeSewRetro
Bra Making Supplies - Hook and Eye Back Closures - 3 Hook Wide - Page 1 - The BraMakery
Bra Back Closures - Sew Sassy Fabrics
Tan Bra Hook
Bra Hook and Eye
Bra Hooks 60 Sets Bra Extender Hooks and Eyes for Sewing Durable Metal Bra Repair Hooks Replacement 3 Sizes Bra Clasp Hook Closure Sewing Hooks for Clothing Trousers Skirt Swimsuit (Silver+Black) (60sets
Porcelynne Beige Nude Bra Hook and Eye Replacement Closure with Silver Hardware - 2 Rows - 1 1/2 Wide - 1 Pair : Clothing, Shoes & Jewelry
Porcelynne Beige Nude Bra Hook and Eye Replacement Closure with Silver Hardware - 2 Rows - 1 1/2 Wide - 1 Pair : Clothing, Shoes & Jewelry