Wide Range Clamp Capacity: This drill chuck head has a clamping range of 13mm , allowing for versatile use with various drill bits and tools. High-Quality Material: Made from enduring and easy-cut steel, this drill chuck ensures long-lasting performance and reliable gripping power. Precision and Accuracy:this drill chuck provides precise drilling operations, ensuring clean and accurate holes. Excellent Hardness: this drill chuck head offers exceptional durability and resistance to wear and tear, making it suitable for prolonged use. Wide Application: Suitable for a wide range of drilling machines, this drill chuck head is compatible with different tapers, making it versatile and adaptable for various drilling projects. Product Name:13mm Quick Change Drill Chuck Size:1/2-20UNF Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Black Material:Metal Package Contents: 1 * Ratchet Self-locking Drill Chuck Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.