Lincoln Electric 9SM17789-27 M17789-27 ENCODER, OPTICAL, 2-BIT, 24 POS Sale Price: $86.66 Original Price: $99.66 ENCODER, OPTICAL, 2-BIT, 24 POS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Quantity: Add To Cart Added! ENCODER, OPTICAL, 2-BIT, 24 POS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1