DAA Thread Spacer, 1/ 2 x 28 RH, Black Finish DA423 In stock at Eden Prairie store. Available today! $25.00 MSRP Price: $18.85 Description Details Reviews Shipping info Direct thread spacer by Dead Air. 1/2X28 thread pitch UPC: 810042341159Manufacturer: Dead Air ArmamentModel: DA423Category: PartsOtherStock: 3Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.