:)New design ,E2 Mini Ballhead adopts the most advanced CNC manufacturing process, the body of magnesium alloy material manufacture.The ballhead Adopts a very high quality surface finishing and anodizing techniques, Solid and durable . :) double 360 degrees horizontal rotating scale, easy panorama tab.Can quickly adjust the angle, Can take multi-angle panoramas. :) Jaw can be opened from 37mm to 42mm, it will accommodate any Arca style plate. Designed specifically for panoramic photography, Simplify the traditional process of panoramic photography by easily change detent interval. This rotator is a combination of high precision, ease of use, compactness, Light weight, and durability. It is suitable for ultra wide angle lenses. :)Small size, height only 75MM,Light weight, net weight only 280G, Such as small size and weight,Very easy to carry :)Easy to use, a key can quickly lock or release the ball,Can quickly adjust the angle. Strong load capacity,maximum load：12KG