Ordinary drill chuck wrenches are laborious and time-consuming to replace the drill bit. Then our 2 in 1 Drill Chuck Ratchet Spanner can help you solve this problem! The double-head design is suitable for most chucks, and the ratchet function allows you to work faster. MAIN FEATURES Made of high quality steel, wear resistant and has a long service life. The handle is non-slip and comfortable to hold. Use to tighten or loosen the chuck. Perfect for most electric drills and power tools. The ratchet function makes changing the drill bit more efficient. Two sizes help you work perfectly. Small head diameter: 12.7mm, big head diameter: 17.5mm. With a positive and negative ratchet switch, it can rotate forward and reverse, and quickly loosen and tighten the drill chuck, which is simple and convenient. SPECIFICATIONS NOTE