General Information The single or double wall arms included with Jumbo 2® Wall Mounts are also available separately. The 1 1/2 -11.5 NPT threaded fitting accepts our flush mount tube or an extension column. Comes with wood screws. Model WMJ 22CB features a wider wall plate and footprint to help spread the load against a concrete block wall and comes with concrete anchors. More from the Manufacturer Product Information Maximum Load Capacity: 150 lb Physical Characteristics Color Family: Black Product Color: Black Weight (Approximate): 9.40 lb Miscellaneous Package Contents: Wall arm Three wood screws and plastic sleeves(for attachment to wood stud wall) Additional Information: 18 reach Compatibility: Jumbo Mounts: JM2630 JM2630D JM2640 Certifications & Standards: UL Country of Origin: United States