Promar California Crab & Lobster Gauge

Promar California Crab & Lobster Gauge Essential dual-purpose measuring tool for California recreational fishing. One side gauges lobsters, the other measures crabs—keeping you compliant with size regulations while protecting your catch quality. Lobster Side: Measures carapace length from rear body shell to rear eye socket. Ensures accurate hard-shell measurement—no gaps allowed. Crab Side: Measures shell width at the widest point behind the points. Must fit snugly between gauge steps with full shell contact. Sizes: 3 1/4" (lobster) and 4" (crab). Compact, durable, field-ready. A must-have for any serious crabber or lobsterman.