Upper and Lower Knife Set, Singer Item # kk-sing Brand Non-Branded Product Description The upper knife features a carbide tip. ● In stock and ready to ship $13.99 $12.99 Save 7% - + Free Shipping on all USA Orders over $49 * Excluding disqualified products Price Match Guarantee * 60 Day Easy Returns * You May Also Like Lower Knife, Singer #550449 $6.99 $5.99 Save 14% Upper Knife, Pfaff, Singer #412585 $8.99 $7.99 Save 11% Customers who bought this item also bought Customer Reviews