[Precise ] Outer diameter: 7mm, inner diameter: 4mm, thickness: 1.8mm, perfect fit for rc vehicles.
[Compatible with Various Wltoys Rc Cars] Rc car ball bearings suitable for wltoys 144001, 144002, 124018, 124019, 124017, 124016, 144010 remote control cars.
[Premium Stainless Steel Material] Made of high quality stainless steel, these bearings are sturdy and strong, ensuring a long service life.
[Versatile Design for Various Modifications] Specially designed for remote control vehicles, these metal bearings are ideal for a wide range of rc car body upgrades and modifications.
[Improve Your Car's Appearance] The simple and smooth finish of these stainless steel rc car ball bearings gives your car a brand new look.

Spec:

Item Type: Ball Bearing for Remote Control Car
Material: Stainless Steel
Color: Silver
Weight: Approx. 3g / 0.1oz
Product Outer Diameter: Approx. 7mm / 0.3in
Product Inner Diameter: Approx. 4mm / 02in
Product Thickness: Approx. 1.8mm / 0.07in
Applicable Model: for WLtoys 144001, 144002, 124018, 124019, 124017, 124016, 144010 Remote Control Cars

Package List:
4 x Bearing