The Revic BM1 Binoculars Mount has a tried-and-true post design, while incorporating important design elements. The machined base integrates Arca-Swiss mounting, you can leave the base plate at home. Separating the locking knob from the push button is more user-friendly and more secure. The included mounting stud features standard 1/4"x20 threads, and is compatible with the Revic BLR10b binocular! FeaturesIntegrated Arca-Swiss Standard3.95" Height8.81 lbs Max Load3 oz. WeightMachined AluminumHard Anodization