MOC Universal Wheel 92911 bb607 Stainless Steel Ball Compatible with Robot EV3 6023956 4610380 99948 Building Blocks Technical Parts Power Functions Pack of 4

- Stainless steel ball + plastic holder, strong and sturdy (durable). - Works perfectly with standard building block 92911 bb607. - Due to small parts, please be careful when using and keep out of reach of children. - Size: 3.0 x 2.4cm, 1 piece weight: 27g. - 4 universal wheels (4 plastic hodders + 4 ball bearings)