MAD Wheel Of Metal

This is a metal ball caster, that can load max 15kg. You can also adjust the height by adding the spacers. The mount holes diameter is 4 mm. The Caster is strong and lightweight. It has 20mm high round body, with a total weight of only 40g; and 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. features - Ball diameter: 16 mm - Ball protruding height: 5 mm - Total height: 20 mm - Total length: 40 mm - Total width: 32 mm - Mounting hole spacing: 40 mm - Mounting hole diameter: 4 mm - Weight: 40 g - Max. Load: 15KG