Manfrotto small friction arms for extended shooting range It allows you to mount cameras and various equipment, allowing you to shoot in different styles. The maximum length is 5.9 inches (15 cm), and the maximum load capacity of mounting equipment is 6.6 lbs (3 kg). Comes with an anti-rotation mechanism to keep the equipment attached (3/8" male thread). Made of aluminum that provides high load capacity and toughness. Ergonomically designed handle for high mechanical rotation. Various replacement adapters sold separately. Anti-Rotation System: Works with 190, 055 tripod.