![Metal Caster Wheel for Robot-20mm](http://store.fut-electronics.com/cdn/shop/products/round-large-caster-wheel-ball-round-caster-bull-s-eye-wheel-robots-model-making-load-10KG.jpg_640x640_f54f65ef-acf5-466f-9469-a4346e895c5f_1024x1024.jpg?v=1526296560)
Metal ball caster, 1mm thick steel plate from the machine stamping, it has the capability to support 50 KG payload. The Caster is strong and lightweight with a total weight of only 120g.
Large steel ball around a small ball around as much as 40 to rotate the main scroll ball much more smoothly, which make the robot walk or move at a more flexible and comfortable way.
Dimensions: 55 X 30 mm
Weight: 120 g
Load Capacity: 50 kg