Bar and tube connectors join, extend, and reroute round bars and tubes in railing construction. For butt jointing and extending, with threads, as 90° elbows or corners, with a joint, or bendable for custom angles. For round tubing 12 × 1.5 mm and round bars Ø 10–14 mm. Primarily for gluing in place, made of V2A, some in V4A, polished to K240 grit.