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[Material]Made of high quality steel, wear resistant and has a long service life. The handle is non-slip and comfortable to hold.[Function]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.[Size]Two sizes help you work perfectly. Small head diameter: 12.7mm, big head diameter: 17.5mm.[Dual-purpose Design]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.SPECIFICATIONSMaterial: SteelPacking Weight: 121gLength: 150mm in total lengthDiameter Of The Two Ends: small end 12.7mm, large end 17.5mm.Package Includes: 1*2 in 1 Drill Chuck Ratchet Spanner