Lincoln Service Parts 1 › Lincoln Electric 9SM22874 SPLINE TUBE ADAPTER PLATE M22874 Lincoln Electric 9SM22874 SPLINE TUBE ADAPTER PLATE M22874 Sale Price: $231.47 Original Price: $266.19 SPLINE TUBE ADAPTER PLATE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! SPLINE TUBE ADAPTER PLATE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1