1.5-10Mm Capacity Mount 3/8-24Unf Drill Chuck 1/4" Hex Shank Converter Impact Bestgle 1.5-10mm Drill Chuck 3/8-24UNF Mount for Impact Driver Supplied with chuck key, convenient to use and adjust. Made of premium chrome vanadium steel. Jaws have been special treated, has good abrasion resistance. Classic keyed 3-jaw design, accuracy and strong gripping force, securely holds a wide range of twist drills and step drill bits with 0.06" to 0.39" shank. This drill chuck with 1/4 inch hex shank, instantly convert impact driver to hold non-quick change drill driver bits. Versatile use on impact drills and electric power driver to quickly switch tasks and keep the job moving. Specification: Material: Chrome Vanadium Steel Shank: 1/4 Inch Hex Shank Mount Thread: 3/8-24UNF Capacity Range: 1.5 - 10mm (0.06 - 0.39 Inch) Please Note: - The product can NOT be used counterclockwise ! - It must be transferred hammer drill stalls when use the hammer chuck, other stalls will lead chuck broken! -The surface of this product may be scratched due to collisions in the transportation process, but it will not affect the normal use, please rest assured to buy. Package Included: 1 x 3/8? drill chuck 1 x Chuck Key Product Features Drill chuck with 1/4 inch hex shank quickly connects to any impact driver and converts to drilling function Impact chuck adaptor capacity: 0.06" - 0.39"/1.5 - 10mm.Mount : 3/8"-24UNF Allows Similar Flexibility in Drilling and Driving Capabilities as a Driver Drill or Corded Drill With a 3 Jawed Chuck Versatile use on impact drills and electric power driver to quickly switch tasks and keep the job moving Constructed from premium chrome vanadium steel for durability and stands up to extensive daily use | NOTE: The hex chuck adapter can NOT be used counterclockwise!! Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!