Benro LBA2 Levelling BaseBenro LBA2 Levelling Base Dual Camera Thread Easily convert any flat surface with a " 20 or 3 8" 16 thread to one with leveling control. The LBA2 is ideal for camera sliders, flat base video heads, jibs, tilt heads, etc. The bubble level is offset so its not blocked when in use. The LBA2 can handle payloads up to 110 lb. 50 kg. Features: Designed specifically for images that require a level base for your pan head or ball head such as panoramic