The Sig Sauer Zulu6 Tripod mount adds an integral Arca-Swiss dovetail to the base of your binos for mounting to a tripod. Using the Zulu6 on a tripod further enhances the stabilization and gives an unprecedented glassing experience. Note: Compatible with the Zulu6 12X42, 16X42 and 20X42 (*Does not fit the 10X30*) FeaturesWeight: 0.7 ozFastener Material: Stainless SteelArca Swiss DovetailIntegral 1/4-20 Threaded Socket in Base