Lincoln K and KP Numbers › Lincoln Electric KP4121-1-50F-B25 WC BOTTLENECK NOZZLE, .500ID, FLUSH Lincoln Electric KP4121-1-50F-B25 WC BOTTLENECK NOZZLE, .500ID, FLUSH Sale Price: $1,703.35 Original Price: $1,907.75 WC BOTTLENECK NOZZLE, .500ID, FLUSH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000 Add To Cart Added! WC BOTTLENECK NOZZLE, .500ID, FLUSH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000