Those kinds of knives are suitable for wolf machines,
size:5w-13wmaterial:carbon steel,alloy steel,hss ect
package:12pcs/doz,6dozs a box,kunlun package
if you need,pls tell us the material also we'd like to send 1-2 samples to you check the quality.
sales at wwkunlun doc com
8E sewing blades straight knife for Wolf