Novoflex MiniConnect MR Quick Release Base w/ Plate (MC-MR) MiniConnect MR Round Quick Release Adapter with 1/4" QR plate, 3/8" tripod socket with included 1/4"-20 reducer bushing MiniConnect MR quick release unit Item Includes: * 3/8"-16 to 1/4"-20 Reducer Bushing * Mini Connect Coupling 1/4" Dimensions: Height = 0.8 inches; Diameter = 2.1inches Weight: 0.22 lbs Tripod connection: 1/4 inch or 3/8 inch One coupling piece with 1/4 camera thread included