Pinned B-51085 Specifications Flange Interface Thread: 1-1/16-12UN Inlet Diameter: 7/8 In (22 mm) Weight: .13 lb (59 g) Overall Height: 1-5/8 In (41 mm) Standoff Above Flange: 1-1/8 In (29 mm) Wrench Hex Size: 1-3/8 In Material: Anodized Aluminum Available Accessories Accessories