BKL Technologies Model 354 4in Long Cantilever w/1 5/8in Clamping Length

30mm Dia. X 4″ LONG CANTILEVER WITH 1-5/8″ CLAMPING LENGTH-MATTE BLACK Specifications for BKL Technologies Model 354 4in Long Cantilever w/1 5/8in Clamping Length: Manufacturer: BKL Technologies Finish: Matte Ring Height: Standard Tube Diameter: 30 mm Ring Quantity: Pair Condition: New Mount Type: Dovetail Features of BKL Technologies Model 354 4in Long Cantilever w/1 5/8in Clamping Length: Series 300 Fits 30mm scope tubes Fits 3/8 inch or 11mm Dovetail rails Package Contents: BKL Technologies Model 354 4in Long Cantilever w/1 5/8in Clamping Length 9/64 Allen Wrench