Lincoln K and KP Numbers › Lincoln Electric KP4121-1-62S WC BOTTLENECK NOZZLE, .625ID, 1/8S Lincoln Electric KP4121-1-62S WC BOTTLENECK NOZZLE, .625ID, 1/8S Sale Price: $74.09 Original Price: $82.98 WC BOTTLENECK NOZZLE, .625ID, 1/8S PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! WC BOTTLENECK NOZZLE, .625ID, 1/8S PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000