The ARS 2x8 is designed for 2x4, 2x6 and 2x8 trusses and has a corresponding attachment hole to accommodate the truss. Both the ARS 2x4 and 2x8 can be used on 2x10 and 2x12 trusses/rafters using the drill-through attachment method. These anchors are supplied with a TPE flashing base for use on all asphalt shingle and wood shake roofs. The anchor is made from stainless steel and includes mounting hardware.