Premium Copper Construction Crafted from high grade copper, this sidemount diving cylinder base provides excellent durability and resistance to oxidation, ensuring consistent execution in both freshwater and saltwater diving environments. Three Versatile Configuration Choices Choose from three practical preferences: base only, base with 1.5 inch attachment loop, or base with 1 inch attachment loop, providing flexible mounting fixes for different sidemount diving setups and equipment needs. Secure Cylinder Fastening structure Features cord passages for elastic straps to firmly secure your diving cylinder, shifting during underwater activities and enhancing and stability. Quick Installation & Compatibility Designed for easy assembly without special tools, this cylinder base quickly connects to various sidemount diving harnesses and buoyancy systems for immediate use on your underwater adventures. Resilient Water execution The robust copper construction withstands challenging marine conditions while maintaining its integrity, making it an essential component for serious sidemount divers and experienced diving enthusiasts.