Description: Mini hot shoe ball head: This ball head can withstand heavy loads, lock solidly and move smoothly. Aiming and horizon leveling can be accomplished as one instinctive motion, and rigid lockup takes just a quick twist to fix. This tripod ball heads are much easier to carry and pack than tripods with pan-tilt heads. Tighten up the tripod ball head on tripod and then screw up the whole tripod on your camera. Screw Mount: 1/4" thread Phone Clamp: It can protect your cell Phone. Fix firmly and safety. Specification: Material: Plastic+Metal Phone Clamp Size: 5.7-6.7cm Package Includes: 1 x 1/4" hot shoe ball head 1 x phone clamp Note: camera, phone are not included