one-time job with no chain preparation required, quick fitting, no fuss, no mess, no re-marking - job done!

Our patent-pending screw-in chain markers won’t pop out or fade like other solutions. Simply fit and forget.

Reduce pollution in the sea as they won't flake off like paint, break off like cable ties or pop back out.

No more "discussions" about how much chain has gone out...our simple guide makes it abundently clear.