5" California Pismo Clam Gauges (for Northern California range, see package insert photo.).  Precision made with CNC from heavy 3/16" aluminum plate.  Built to last a lifetime.  This is the best design and has deep parallel jaws for easiest and fast measuring.  Mounting holes ready to attach to your favorite clam digging fork.  This auction is for one gauge and an insert that explains how to safely return undersized Pismo Clams into the wet sand.  Included also is a copy of current California Wildlife Collection Regulations.
Larger gauges and gauges for other species available upon special request.  

Note:  This 4 1/2" gauge size is for taking Pismo Clams South of the Monterey/San Luis Obispo County Line.  A 5" gauge is required for North of this line.  Check back with us!