Simpson Strong-Tie EPC4Z - ZMAX Galvanized End Post Cap for 4x EPCZ post caps are designed for easy and fast installation for post-to-beam end conditions. They feature post and beam flanges in-line so that one model can accommodate several post sizes. End post cap models are available for use with 4x, 6x and 8x solid sawn and rough lumber post-to-beam connections. Features The ZMAX finish is standard to meet exposure conditions in many environments Easy installation with 0.148 in. x 3 in. nails or Strong-Drive SD Connector screws Seat width: 3-9/16 in. Nominal post size: 4x Made from 16-gauge steel USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.