Three lane cribbage board templates. Precision machined in USA Acrylic 1/4-inch nominal thickness Predrilled with 1/8” through holes. Each hole has a counter sink to help get perfect hole placement when using a self-centering drill bit. Outside edge can be used as a router guide to make a cribbage board from any size material. Dimensions 5” x 17” x ¼” (0.225 actual)