Gravity GR-GWB123SET1B Round Cast Iron Base and Weight Plate Set for M20 PolesThe set includes a flat, cast iron 10 kg round base and a weight disc from our patented VARIWEIGHT stability system, ensuring both a more secure footing and more convenient transport of the system as a whole. The disc weighs 5 kg and can be quickly assembled without tools. It is suitable for extension tubes with an M20 screw thread and provides for a particularly sturdy stand. Product type Stands and Tripod Accessories Weight 15 kg GWB123B Gravity WB