iShoot Improved Height Adapter IS-ZGQ II with Quick Knob--- Adjust Data Cable Space for Vertical Shoot Quick Release Plate Compatible with RRS / ARCA-SWISS AS Quick Release Plate and Clamp Made of aviation aluminum, CNC precision machining, frame type structural design, surface oxidation treatment, precision scales, net weight about 80g With quick knob, locking or unlocking the clamp by turning one full turn; knob with labor-saving design, built-in stainless steel booster spring Dimensions about 80 x 50 x 34mm, reserved four major data cable holes, used with certain vertical shoot quick release plate, can increase data cable space With standard AS interface, compatible with RRS / ARCA-SWISS / KIRK / Wimberley / MARKINS / SUNWAYFOTO / kangrinpoche / BENRO / SIRUI quick release plate and clamp of AS standard interface Package Includes: 1 x Improved Vertical Shoot Quick Release Plate Height Adapter IS-ZGQ II