DescriptionOrdinary drill chuck wrenches are laborious and time-consuming to replace the drill bit. but our 2 in 1 key spanner can help you solve this problem. The drill chuck wrench spanner is convenient and practical, with excellent texture, and can serve you for a long time without being easily damaged.Features-Color: Black.-Material: 45#steel. -Size: About 15.00X2.00X1.20cm/ 5.89X0.79X0.47in. -Key diameter: small head 12.7mm/0.5in, big head 17.5mm/0.68in.- The exquisite craftsmanship can serve you well without breaking easily.-Can quickly loosen and tighten the drill chuck, the ratchet function allows you to work faster. -The handle is comfortable to hold and portable to work, high work efficiency. -Positive and negative ratchet switch design. Perfect for most electric drills and power tools.-The drill key is professionally designed, easy to hold, beautiful and generous.