PORTER-CABLE 77248 24-Inch Half-Blind Sliding-Tapered Dovetail Template Half-blind/sliding-tapered dovetail template for 24-inch omnijig joinery system (77240) Fixed-space template enables half-blind dovetails to be cut with a single pass of the router Sliding tapered dovetails can also be cut with this versatile template Accommodates wood up to 1-1/2-inch thick for through and half-blind dovetails Machined aluminum body and fingers provide superior joint accuracy; 1/2-inch thick aluminum template provides rigidity and long term durability