Get the most out of your optics with SIG SAUER'S new ZULU Bino Adapter. Comprised of a sleek machined aluminum adapter post with a threaded lock-down system, the ZULU Bino Adapter features an Arca base with 1/4" 20 threads for universal tripod mounting and is compatible with any binoculars that require a 1/4" 20 binocular stud. 6063 Machined AluminumThreaded Lock Down Feature, Allows User to Tighten Bino Stud to PreventBinoculars From RotatingArca-Swiss Base with 1/4"-20 Threads for Universal Mounting1/4"-20 Bino StudCompatible with ZULU10 HDX, ZULU8 HDX, CANYON HD, BUCKMASTERSBinocular, KILO10K-ABS HD, KILO6K HD, KILO6K HD Compact, CANYONRangefinding Binoculars, & Other Binoculars Compatible With a 1/4"-20 Socket/ThreadFor Use With Tripods and or Window MountsMaximum Objective Diameter: 56mmOverall Length [in]: 1.10 in [27.94 mm]Overall Height [in]: 4.33 in [109.98 mm]Overall Width [in]: 1.49 in [37.84 mm]Weight [oz]: 2.8 oz [79.37 g]