These machine needles will fit Singer, Necchi, White, Signature, Kenmore, New Home and other machines. For best results select needle size according to fabric weight. Size 9 or 11 - Lightweight. Size 11 or 14 - Medium weight, and 14, 16 or 18 - Heavy weight. Replace needles frequently as worn or damaged needles cause poor stitch quality. Universal 9/65 4pc- Use for most lightweight fabrics.