Designed to fit 1/4" Carbide Cutter Bit for Tire Buffing Tool. 3-Screw Locking System: Provides a secure, slip-resistant hold to keep cutter bits firmly in place during operation. Quick Change Compatibility: fits any tire buffing tool chuck for fast and easy tool swaps. Improves Workflow Efficiency: Minimizes downtime by allowing rapid bit changes between repairs. Durable Steel Construction: Built to withstand repeated use in professional shop environments. Stable & Vibration-Resistant: Maintains consistent performance and control during cutting operations. Essential Repair Tool Upgrade: Ideal for technicians looking to increase speed and efficiency without compromising precision.