【Material and Craftsmanship】: Adopting high-quality anodized aluminum alloy and advanced CNC milling technology, K-20X ball head is stable and solidly constructed with a load capacity up to 25kg/55.1lb. | 【Superior Stability】: K-20X ball head has enhanced stability with high-quality anodized aluminum alloy, strong locking system and 54mm/2.1inch large base diameter. | 【Panoramic Photography/Flexible Adjustment】: Equipped with 360°panorama base and rotatable platform, K-20X ball head can be rotated flexibly at different angles to meet the need of panoramic photography. | 【Wide Compatibility】: With 1/4" screw thread on the quick release plate, the head can be easily connected to digital devices in seconds.With 3/8” screw hole at the bottom, the ball head can be attached to a tripod or monopod easily. | 【Ergonomic Design】: Rubber sleeve coated on the locking knobs provides precise and comfortable operation. | 【Universal Applicability】: K-20X can not only connected with tripod and monopod, but also with SLR camera, camera slider, camcorder, action camera, light stand, etc. | 【Strong Locking System】: SIRUI unique locking system, (consisting of plate knob, safety pin, base lock, ball lock and built-in friction control dial), is designed to prevent the camera from accidental sliding. | 【Precise Adjustment】: Three bubble levels and 5°graduated scale are provided for easy and precise adjustment of K-20X ball head. | 【Anti-skid Design】: Two red sliding stoppers and anti-slip rubber mats on the QR plate stabilize the camera or lens when tilting the head or in portrait shots. | 【Technical Data】: Material: Aluminum | Color: Black | Safety Lock: Yes | Rotation: 360°| Scale: yes| Base Diameter (mm/inch): 54/2.1 | Ball Diameter (mm/inch): 38/1.5 | Height (mm/inch): 101/4.0 | Weight (kg/lb): 0.43/0.94 | Maximum Load (kg/lb): 25/55.1| Package List: SIRUI K-20X ball head, TY-60 quick release plate, pouch.