Enhanced Grip Design: The uniquely treated colored striking surfaces great gripping power for safe fastener connection, making it safe for critical structural projects 8mm Compatibility: Designed with an 8mm hexes socket head, it provides wide compatibility for various power tools and manual wrenches, perfect for professional and handcraft lover Wide Applications: Designed for securing color steel tiles and metal sheets, its 45mm length and tail screw design ensures great in construction and renovation work Resistant: Features a plating surfaces that effectively prevents rust in humid or coastal environments, ensuring long terms even in harsh conditions Strong Construction: Crafted from steel for durability, this socket resists deformation and breakage during use, ideal for outdoor applications like roofing sheet metal fastening, Manufacturer: HZBB