For mixing liquids that come in sealed metal or plastic 5 gallon containers. To remove the lid can be very time consuming and shorten the shelf life of the product. By entering the pouring spout with the T-5 in the closed position you get tornado mixing action without removing the top. The mixing head is made out of aluminum. The shaft is 3/8" diameter plated steel with an overall length of 23". The closed diameter is 1 7/16". For use in a portable drill or mixing motor. Item is mixer only, container or mixing motor not included.