Instant Chain Depth – High‑visibility colored links reveal exactly how much chain is overboard, one interval at a time.

Snap‑Fit, Tool‑Free – Links press between chain shots in seconds; no zip ties, paint, or guesswork.

Windlass‑Safe Design – Low‑profile shape runs smoothly through most Maxwell, Lewmar, Muir, and similar gypsies.

Marine‑Grade Build – UV‑stable, corrosion‑proof copolymer won’t crack or fade after seasons in saltwater.

Choose Your Size – Order the links that matches your chain: 1/4", 5⁄16", 3/8", 7/16", 1/2" (7 mm, 8 mm, 10 mm, 12mm,13 mm) for G30, G40, or BBB (3B).

1‑Year Warranty – If a marker fails under normal use within 12 months, we’ll replace it—no hassle.

Snap‑on chain markers offer a durable, removable alternative to paint or plastic inserts. Each pack ships with one foot of links so you can set 20 ft, 25 ft, or custom intervals. Precision‑molded and hand‑inspected in the USA from marine‑safe HD copolymer.