You can adjust the needle tip length in four stages. This allows you to change the depth the needle penetrates the fabric, accommodating fabrics of different thicknesses. This is a new, unused item, but it has been stored for a long time. The box is old, but the needles are clean. We hope that those who understand this will purchase the item. - Brand: Clover - Product Name: Clover Bunka Embroidery Needle Includes threader and instruction manual Thank you for viewing.