USP JNP46 6" 18 Gauge Joiner Nail Plate (100 Pack) USP JNP46 6" 18 Gauge Joiner Nail Plate (100 Pack) Features: Joiner nail plate Joins flat surfaces of 2 or more wood members G90 galvanizing finish Prong plates with angled hammered in prongs 18 gauge Size: 6"