Features:1. Made of high quality steel wear resistant and has a long service life. The handle is non-slip and comfortable to hold.2. 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.3. Two sizes help you work perfectly. Small head diameter: 12.7mm big head diameter: 17.5mm.4. 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.5. Ordinary drill chuck wrenches are laborious and time-consuming to replace the drill bit. The double-head design is suitable for most chucks and the ratchet function allows you to work faster.Notice:*Actual color may be slightly different from the image due to different monitor and light effect*Please allow 1-3cm deviation due to manual measurementDescription:Size: As the picture shown includes: 1 pcs x 2 in 1 Drill Chuck Ratchet Spanner "