PRO needles have a longer groove to help prevent the occurrence of skip stitches and thread breaks when using multiple or thick fabric layers especially at the faster speeds the Bernina Q series machines are capable of.

Suitable machines	sewing machines, embroidery machines & longarms
Suitable material	Knitted fabrics & Digitised Embroidery & Longarm Quilting
Suitable projects	General Sewing, Sewing on buttons and buttonholes, Zippers, Hems and topstitching, Digitised Embroidery
Needle size NM	Nm 80/12 - 100/16