Comfort Grip, Heat resistant, 100pcs. Taylor Seville Originals Notions make your sewing life easier. The Comfort Grip Magic Pins Extra Fine Patchwork are < > 3/4″ and .4mm. They have a comfort grip head that makes picking up and holding the pin easy. The Comfort Grip Magic pins are also heat resistant so if you iron over them they won't come The pins are supplied in a design storage box that closes so you don't lose pins!