SmallRig Quick Release Plate (Arca-type Compatible) 2146 is designed to be compatible with SmallRig Baseplate 2143, 2145, 2144 and 2092. It can be attached to the bottom of SmallRig cages, such as SmallRig Cage for Sony A7RIII/A7M3/A7III 2087, SmallRig Cage for Sony a7II/a7RII/a7SII 1982, SmallRig Sony A6000/A6300/A6500/Nex-7 Cage 1661.CompatibilitySmallRig 2143、2145Package Includes:2146 x 11/4''-20 Screw x 13/8''-16 Screw x 1Product Dimensions: 68*40*17.5mmNet Weight: 48gPackage Weight: 61gMaterials:Aluminum Alloy