SWH Standoff is constructed from 1″ OD solid aluminum alloy and mounts to rafter with a 5/16″ SS threaded hanger bolt. Additional hardware include SS 3/8″ x 1″ hex bolt and 3/8″ flat washer to mount L-feet and other types of brackets to standoff. The product set also includes a 5/16″ x 1.5″ OD SS sealing washer to optionally seat the standoff. Compatible SWH aluminum roof flashing for standoff can be purchased separately.