Chief CMS261 mounting kit Black MetalColumn Cut Off Adapter Bolt on coupler to add 1. 5" NPT threads to a Chief extension column that has been cut to a shorter length 2" (51mm) height added to installation Set screws and bolts included for security and stability Technical details Product colour Black Material Metal Maximum weight capacity 226. 8 kg Other features Quantity 1 Weight & dimensions Width 59 mm Depth 59 mm Height 114 mm