Model F3 Finger Joint Template For D-24 Series Leigh Dovetail Jigs Precision CNC machined aluminum alloy template Precisely adjustable joint Eleven finger joint sizes: 3/32", 1/8", 5/32", 3/16", 1/4", 5/16", 3/8", 5/8", 3/4", 1/2" and 1" Three square half-blind joint sizes: 5/16", 3/8" and 1/2" Attaches directly to the D4R Pro or any D-series 24" dovetail jig