Leather Clamp Gold 12x4mm 5gram Packets 5 grams = approximately 38 pieces per packet - Leather Clamp or Cord ends are great for finishing necklaces, bracelets, or anklets. Cord ends can be used with satin cord, leather, hemp, imitation leather, or suede lace. Fold-over cord ends are used by inserting the cord into the slot, then bending the edge of the tips down over the cord.