Full mortise, five knuckle, template butt hinge, sized 3″ by 3″. Sizing is appropriate for thin head and privacy doors aboard smaller production boats. Lowe Hardware’s butt hinges are made of the highest quality architectural brass extrusions with removable stainless steel pins. See our finials product sheet for trim options. Pictured with #8606 finial. Also available with ball bearings for frequent use doors.