The Mini Coupler is a lightweight and low profile professional coupler, constructed from high tensile aluminum extrusion. It has been developed for installations where load capacities of up to 220lbs (100kg) are required. The KUPO professional couplers combine strength and durability with a high degree of safety. The Mini Coupler is designed to fit tubes with a diameter of 1” (25.4mm). It incorporates a 1/4 – 20 male thread (3/4”) long screw. It has a black finish.