ITEM NAME:10x High elastic vibration prevention rubber ball dual head gimbal PTZ for Y3I3 10x High elastic vibration prevention rubber ball dual head gimbal PTZ for Y3I3 Color: Black 100% new, high quality Widely used for PTZ connection and FPV system Material: High elastic rubber Height: 22 mm; Internal bore diameter: 7 mm Package Content: 10x Antivibration Rubber Ball Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Widely used for PTZ connection and FPV system. Material: High elastic rubber. 100% new, high quality.