Feature: 1. Compatible for TAMIYA Models: Specifically designed for TAMIYA 53539 TT02 TT01 XV01 XV02 and other models, they have a uniform outer diameter of 5.8mm and an inner diameter of 3mm. 2. Aluminum Alloy: Made from aluminum alloy, RC ball bearing kit are sturdy, durable, and resistant to damage, ensuring long lasting use. 3. 6 Thickness Options: The set includes 6 different thicknesses, 2.0 mm, 2.5 mm, 3.0 mm, 0.5 mm, 1.0 mm, 1.5 mm, with 4 of each. This allows for versatile use in various scenarios. 4. Easy Replacement: These aluminum alloy RC ball bearings are ideal for replacing worn out or damaged gaskets in RC crawler car, ensuring proper sealing and stability. 5. Convenient Set: This package includes 24pcs RC ball bearings, giving you ample quantity for multiple uses and ensuring you always have the right spare part on hand. Specification: Item Type: RC Ball Bearing Kit Material: Aluminum Alloy Weight: Approx. 14g / 0.5oz Applicability: for TAMIYA 53539 TT02 TT01 XV01 XV02 Outer Diameter: 5.8mm / 0.2in Inner Diameter: 3mm / 0.1in Thickness: 2mm / 0.08in, 2.5mm / 0.10in, 3mm / 0.12in, 0.5mm / 0.02in, 1mm / 0.04in, 1.5mm / 0.06in. Package List: 24 x RC Ball Bearings 1 x Storage Box