When nothing but the best will do, -Rite MAX Stainless s are the preferred premium exterior construction fastener on job sites – especially those located in areas with high humidity, around pool areas or near the coasts. -Rite 305 stainless steel s are ideal for fastening decking, siding, roofing, finish & trim and are the best choice for use in cedar and redwood construction. Deep cut threads and star drive heads are standard on the Stainless s, increasing holding power and quick engagement for a solid connection.