📸 📸 📸[Universal Functionality] The SLIK PBH-635AC Ball Head includes an Arca-type compatible quick-release platform allowing it to work with the included quick release plate, other Arca-type QR plates, L-brackets, and backpack “clip” systems. | 📸 📸 📸[Dual-Action Ball Head] The SLIK PBH-635AC professional ball head is Arca-compatible and sports separate Lock and Pan control knobs, a tension control knob, and a single 90° angle U-shaped drop notch for maximum versatility and function. Great for everyday picture taking, landscapes, portraits, and multi-image panoramas. | 📸 📸 📸[Important Specs] Supports 13.2 lbs of gear | Weighs 1.07 lbs | 4” Tall Designed to work with any tripod legs with a 3/8” thread post, the PBH-635AC is an excellent choice for that old tripod collecting dust or a new set of legs. We also include a 3/8” to 1/4 20” thread post adapter in case your tripod has a smaller thread post. | 📸 📸 📸[Independent Pan Dial] The PBH-635AC comes equipped with a pan lock dial that allows the head to rotate a full 360.° Degree markings on the base allow you to precisely stitch together beautiful panoramas. | 📸 📸 📸[Low Profile Height] The PBH-535AC design packs versatile functionality and robust support into a lightweight and compact head that will work with almost any set of tripod legs.