【Innovative Pneumatic Adsorption】 Manual pump extracts cavity to create negative pressure. External atmospheric pressure presses the suction cup tightly, ensuring stable vacuum adsorption without loosening. 【Quality Materials & Safe Load-Bearing】 Made of high-quality aluminum alloy + premium . Max load: 1KG; vertical adsorption: 12KG; horizontal adsorption: 20KG, safe for shooting/equipment fixation. 【Double-headed Design】the arm is equipped with 2 head, which are 360 rotatable, enable to the ideal angle for shooting 【Rich Expansion for Multi-Mounting (Pocket 4 )】 Equipped with multiple 1/4" and 3/8" threads and adapters, this suction mount enables effortless expansion and supports versatile setups. It’s with Pocket 4, and you can easily connect a head and a arm for stable, flexible filming. 【Wide Smooth Surface Application】 Super adsorption adheres firmly to boats, metal/ceramic, car windshields/doors/hoods/roofs, suitable for car shooting, outdoor recording. 【Packing List】3inch Suction Mount*1; Holder*1; Go Adapter*1;【Warm Reminder】SC01 arm is integrated and non-detachable. For detachable use, choose model SC02.