Deluxe White Advanced Rotary G1/4" 90-Degree Multi-Link Adapter For OD 14MM BP-DWE90RMLA14 Features: A whole new design. Made of hi-quality brass material. Easier to use with hard tubes. When assembled correctly, the fittings are simple to use and extremely secure. Design for multi-link extension application via hard tube OD 14MM. RoHS Compliant. Specifications: Thread: G1/4"