Can be used in Carboys or plastic buckets. Removes unwanted gas from your wine quickly with this drill attachment. Your wine will swirl around the bucket as it completely degasses the CO2 from your wine. Saves you time and helps you create much better wine. Non scratch. Simply works better than the more expensive types. Designed and made by precision engineers. 10m/m diameter shaft. Fits in 10m/m or bigger cordless or corded drills. Also can be used for airating homebrew beer prior to adding yeast.