These Schumacher Racing Products chrome steel differential balls are designed for the Fusion 28 Turbo XLS TC and compatible Schumacher 1:10 platforms. Each pack contains 36 balls at 3mm diameter, providing a full replacement set for differential rebuilds. Keeping diff balls fresh is essential for smooth, consistent power transfer through the drivetrain. Features: 3mm diameter diff balls Pack of 36 balls Chrome steel construction Factory replacement for Schumacher 1:10 differentials 7/7/26 cs