The Babylock is our most popular lock--used as a connector, a clasp, a charm holder and for many, the very first lock that they purchase. It measures 1.5cm x 9mm with a thickness of 2mm, closure is 4mm. The Babylock fits on all chains, or strands. Ideal for a necklace. They have six sides and can be engraved with up to 3 letters, numbers or symbols per side. Sterling silver. 

The Rolo chain works with all of our locks. Sterling silver chain with 14k gold loops. The links each measure about 2.4mm X 2.4