BB23B, 2 INCH Dual Thread Pipe Base with Cable Holder
A bronze base for mounting air terminals on top of horizontal pipes or railings up to 2 in. (5.1 cm) OD. 2-way bolt pressure cable holder fits cables up to 4/0. Stainless steel bolts, nuts and washers. 4-1/4 x 3-1/2 x 1-1/2 in. (10.8 x 8.9 x 3.8 cm); approximately 1 lb. 7.4 oz. (663 g). Use suffix 3/8, 1/2 and 5/8 inch to denote air terminal thread size.