Use To Create Professional Quality Dovetail Joints By Working With A Hand Or Table RouterSelf-Aligning Design Ensures That Both Ends Of The Dovetail Joint Match Up Evenly Every TimeCapable Of Cutting Half Blind, Through, Edge-To-Edge And Square JointsAccommodates Boards Of Any WidthSturdy Machined Aluminum ConstructionEasily Adjust The Dovetail Interface To Create Loose Or Tight JointsIncludes 1/2" Dovetail Router Bit