Designed specifically for music box movements, these spindle extensions feature a 1.06" length and 0.20" diameter. Perfectly compatible with M3.5 thread winding keys, ensuring an universal fit for your musical mechanism repairs or upgrades
The extended shaft design provides the necessary room when installing music box mechanisms into thicker wooden or ceramic cases. Solve the "short key" problem easily, allowing for smoother rotation and stable operation
Crafted from silver-colored metal, these extension bars are built to last. They maintain the structural integrity of your musical mechanism over time, resisting wear and ensuring reliable performance for antique or custom pieces
Simple in construction but highly effective. These music box winder extensions can be quickly attached to the movement shaft, making them ideal for both professional restorers and hobbyists creating custom music boxes
Each package contains 8 spindle extensions, providing great value for multiple DIY projects. Use them for swapping out worn components or as essential spare parts in your music box maintenance kit