The Porter Cable 430D1PC is a D1 Dovetail Bit for the Omnijig Joinery Systems. The Porter Cable 430D1PC is 1 of 7 dovetail bits to be used with the Omnijig Joinery System. It is used to cut standard and miniature through and miniature variable-spaced half-blind dovetails on up to 1/2 thick wood. The angle is set to 7° to enable the user to replicate traditional, hand cut dovetail joints.