Highlight description: ?Strong & Durable??Drill chuck ratchet spanner is made of high quality steel to reduce stress damage within a certain limit, wear resistant and has a long service life. The rubber handle is non-slip and comfortable to hold. ?Dual Size??Double head design is suitable for most collets, small head diameter: 12.7mm/0.5 inch, large head diameter: 17.5mm/0.7 inch. It allows you to work faster, which is simple and convenient. ?Compatible With??The double-head design is suitable for most chucks, 2-in-1 professional drill chuck key wrench is compatible with most electric drills and power tools, hand tools and tool organizers. Detailed description: Specification: Product name: Drill Chuck Ratchet Spanner Material: steel + rubber Color: black Size: 15 x 4.5cm/5.9 x 1.8 in Small head diameter: 12.7mm/0.5 inch Large head diameter: 17.5mm/0.7 inch Application: tighten or loosen the chuck NoteZ?? Please allow 1-3cm measuring deviation due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Parts List: 1* Drill Chuck Ratchet Spanner 2 In 1 drill chuck ratchet spanner dual-use ratchet spanner With a positive and negative ratchet switch, it can rotate forward and reverse, and quickly loosen and tighten the drill chuck Drill chuck ratchet spanner is widely use to tighten or loosen the chuck It is perfect for most electric drills and power tools The ratchet function makes changing the drill bit more efficient