Hook & Eye Fold Over Clasp Copper Plated 21mm Approx 6 This is a new set of 15 grams of copper plated hook and eye clasps Great for making necklaces and bracelets 15 Grams is approximately 6 hook and eye clasps Each hook measures approximately 18 x 21 mm (11/16" x 13/16") Each eye piece measures approximately 18 x 21 mm (11/16" x 13/16")