Lincoln K and KP Numbers › Lincoln Electric KP4758-4-B10 #4 GAS LENS CUP BULK PACK, 17/18/26 Lincoln Electric KP4758-4-B10 #4 GAS LENS CUP BULK PACK, 17/18/26 Sale Price: $47.32 Original Price: $53.00 #4 GAS LENS CUP BULK PACK, 17/18/26 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000 Add To Cart Added! #4 GAS LENS CUP BULK PACK, 17/18/26 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000