Lincoln Service Parts 1 › Lincoln Electric 9SM21923-5 WIRE DRIVE FLOOR INSULATION M21923-5 Lincoln Electric 9SM21923-5 WIRE DRIVE FLOOR INSULATION M21923-5 Sale Price: $43.01 Original Price: $49.46 WIRE DRIVE FLOOR INSULATION PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! WIRE DRIVE FLOOR INSULATION PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1