Lincoln K and KP Numbers › Lincoln Electric KP2213-1 CUP SIZE- NO. 6, CUP I.D.- 3/8" (9.25MM) Lincoln Electric KP2213-1 CUP SIZE- NO. 6, CUP I.D.- 3/8" (9.25MM) Sale Price: $38.66 Original Price: $43.30 CUP SIZE- NO. 6, CUP I.D.- 3/8" (9.25MM) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! CUP SIZE- NO. 6, CUP I.D.- 3/8" (9.25MM) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000