The Trend CDJ300 Craft Dovetail Jig is accurate and easy-to-use for a variety of elegant dovetail joints It cuts 127mm 12in wide half blind dovetails or rebated dovetails in one operation The CDJ300 is precision made laser cut zinc plated steel template with packing piece Please note a Unibase and fine height adjuster may be required for certain makes of router Supplied with 1 x 14in shank TCT 104º Dovetail Cutter and 1 x 158mm Guide Bush Specification Rating Craftsman Dovetail Size 127mm Workpiece Width Max 300mm Workpiece Thickness Min 12mm Workpiece Thickness Max 25mm Guide Bush Size 158mm Router Base Diameter Max 180mm