Leather Needles - Sizes #80-100 Schmetz Leather Needles ; Tips Choose a larger stitch length to prevent seam tearing. When locking, make sure that the sewing thread is not severed. ; Suitable substances Leather Hard artificial leather (can only be used to a limited extent with soft artificial leather: Try the Microtex needle here first, otherwise the carrier material may be damaged and holes can tear out faster) Paper (for processing thinner brochures) Available needle thicknesses NM 80, NM 90, NM 100 ; Coating Standard ; Special features Easy penetration into the material Color Marking Brown