Lincoln K and KP Numbers › Lincoln Electric KP3992-035 IDLER ROLL (.035) Lincoln Electric KP3992-035 IDLER ROLL (.035) Sale Price: $85.04 Original Price: $95.24 IDLER ROLL (.035) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! IDLER ROLL (.035) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000