General description The 4 Pieces Drill Chuck Keys set is designed for tightening and unlocking various popular drill chucks, ensuring that your drill bits are securely held in place. This set includes four different sizes: 6mm, 10mm, 13mm, and 16mm, making it versatile for various applications. The keys are made from high-quality materials, featuring a rubberized surface for better grip and enhanced durability. Technical specifications Sizes included: 6mm, 10mm, 13mm, 16mm Material: Wear-resistant rubber coating Usage Unlocking and tightening drill chucks Replacing lost or damaged chuck keys Quickly changing drill heads and securing drill bits Other information The handle design minimizes the risk of breakage under overload conditions, enhancing safety during use.