Comfort Grip, Heat Resistant, 50pc. Taylor Seville Originals Notions make your sewing life easier. The Comfort Grip Flat Head Extra Fine Magic Pins are 0.5mm. They have a comfort-grip flat head that makes picking up and maintaining a grip on the pin easy. These are strong and sharp pins that are ideal for thinner fabric. The Comfort Grip Flat Head Magic Pins are also heat resistant, so if you iron over them, they will not be ruined. The pins come in a designer storage case that closes, so you won’t lose any pins!