Labor-saving Two-in-one Drill Chuck Black Ratchet Dual-use 12.717.5mm Fragarn

With a positive and negative ratchet it can be rotated forward and backward to quickly loosen and tighten the drill chuck and convenient. Please be reminded that due to lighting effects and monitor s brightness/contrast settings etc the color tone of the photo and the actual item could be slightly different Due to the hand measurement there have size error about 1-2cm 1pc es Used to tighten or loosen chucks. Ideal for most electric drills and power tools. Ratchet function makes changing bits more efficient. Two sizes are available to help you work ly. Small head diameter: 12.7mm large head diameter: 17.5mm.