Lortone Professional Rock Tumbler Qt12 12 Pound Capacity Dimensions 11 inches L x 12.5 inches W. Tumbler weighs about 16 pounds. Large 12 lb. capacity drum - Interior barrel size: 7.5" deep by 6.75" diameter All-steel body with stainless drive cover; 10-sided molded-rubber barrel Strong 120V, 60Hz motor. Polishes stones, brass, glass and beads. 1-year limited warranty from Lortone. Made in the USA!