Features:This ball heads 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 of one control.Using this tripod ball heads are also much easier to carry and pack than tripods with pan-tilt heads.No long, protruding handles. This product can install 90% micro projectors on the market. Anti-skid rubber pad gives your device a better protection.Screwthe tripod ball head on your tripod. Then screw the whole tripod set toyour camera.Specifications:Condition: 100% Brand New and High QualityMaterial: Aluminum AlloySize: Approx. 5.6*2.9cm/2.2*1.1''Color: Black, Red, Blue (optional)Package Weight: Approx. 80gPacking List:1 x Mini Ball Head