Details of the product: Made of plastic; Transparent color; Top base gear type; 48mm in diameter; 10mm in height; Weighs approximately 13g. This top base gear fits all Nutribullet Pro & Classic models, ensuring compatibility.
The installation process is simple - You just need to place the top base gear on the blender, screw it in, turn the rubber blade cog - Easy to replace by simply unscrewing it from the blender. The package includes 2 top base gears.