SITEMATE® METRIC CUP SQ. HEX BOLT & NUT | M12X160MM BZP is supplied with a zinc-plated finish for high performance and a M12X160MM BZP size, making it a suited for sm cup squar applications. As part of the SITEMATE® range, this product sits within a collection of specialist fencing tools and fixings designed to make high-quality installations straightforward and efficient.