The Schmetz universal sewing machine needles use the 130/705 H system, which is compatible with most home sewing machines, including Brother, Baby Lock, Bernette, Bernina, Elna, EuroPro, Husqvarna/Viking, Janome, Juki, Kenmore, Necchi, New Home, Pfaff, Simplicity, Singer, and White Fabric use: thick leather, artificial leather, and heavy non-woven synthetics Tip: they come with a sharp cutting point that easily penetrates even the toughest leather to guarantee you an easy time sewing