With standard taper outer joint at the top, and inner joints on the bottom and sidearm, all being the same size. Inner joints are at a 75º angle to one another. Joint sizes other than those listed are available, please call for pricing. Item Number Joint Size Side Inner Joint SG-1024 14/20 At 75° SG-1019 19/22 At 75° SG-1001 24/40 At 75° SG-1002 29/42 At 75° SG-1045 45/50 At 75°