This ruler has a full guide to identifying an array of crabs, crayfish, and lobster species to make sure you don’t get caught out with the wrong catch. It lists the size you need to identify a valid catch, and works for both mud and sand crabs. A crucial kit for anyone hunting crabs.

Features:

  • Includes size limits for crabs, crayfish, and lobster species.
  • 20cm measurement capacity
  • Adjustable measurement setting
  • Durable Construction
  • Wrist lanyard