ALBION PROP MIXERS - A new concept in mixing. Twin propellers force material down from the top and up from the bottom for thorough mixing inside cage. A ring shield prevents can puncture. Easily cleanable-all stainless steel construction. Best used for material type coatings & self-leveling sealants & epoxies. Available in a 1 gallon size mixer and 5 gallon size mixer. 1 Gallon mixer has a 1/4" shaft x 15" long x 2-1/2" diameter head. 5 Gallon mixer is 1/2" diameter shaft x 21" long x 5" diameter mixing head.