It contains 1 set gear gimbal damping plate shock with a set of screw and hex key& 1 set dual-head damping ball with anti-drop pin kit for DJI Phantom 3. The plate with gimbal vibration isolator set to reduce vibration and improve photography quality. Step structure design to ensure customers with better shock-absorbing effect. The anti-drop pins can keep the dampers much more safe with your gimbal mount. Damping ball kit with good damping effect,high flexibility to anti-vibration. Material: Plastic Gimbal Damping Plate Color: Silver Damping Bumper Ball Color: White,Transparent Size Chart: Gimbal Damping Plate Size(LxWxH): Approx. 86x86x3mm/3.4x3.4x0.1inch Damping Bumper Ball Package Size(LxWxH): Approx. 50*45*25mm/1.97*1.77*0.98inch Package Includes: 1 Piece Gimbal Mounting Plate for DJI Phantom 3 Standard 1 Set of Screws 1 Piece Hex Key 6 Piece Damping Bumper Ball 6 Set Anti-drop Pins (DJI Phantom 3 and Camera are NOT Included) Note: Please allow 1-3mm errors due to manual measurement. Due to the difference between different monitors,the color of the actual object may slightly differences from the picture.Please understand,thank you!