SCHMETZ-Leather Machine Needles. Schmetz quality sewing machine needles have been manufactured to exacting standards since 1851. The choice of discriminating sewers world wide; only Schmetz provides the uncompromising; consistent quality that produces the perfect stitch every time. These needles were made especially for use with leather; artificial leather and heavy non-woven synthetics and can be used with all brands and most models of sewing machines. This package contains five 100/16 needles. Imported.