$62.99 1/2 (13mm) Stainless Steel sausage stuffer tube for LEM 606a 1606. Fits other 3 and 5 lb 
The Sausage Maker - 1/2 Diameter Stainless Steel Stuffing Tube for 15, 20, 25, and 30 lb 
1/2 13mm Sausage stuffing tube for vintage Chop Rite Stuffer Stainless Steel | eBay
