Small dimensions allow modular combination with other DeltaMate Rotary and Extender Fittings. Subsequent fittings mechanically lock the rotary joint together for maximum security. Includes an optional aesthetic cover with DeltaMate logo that can be rotated to any orientation. Elegant and minimal design integrates seamlessly with all DeltaMate fittings. Easy to install in tight places and SFF builds using an 8mm hex key.