Stainless Steel Hypoallergenic Flat Head Pins - Hypoallergenic - 21 Gauge x 30mm (1.2" Inch) 100pc High quality head pins 304 Stainless steel Hypoallergenic- Lead free, Nickel safe Size: 30mm (1.2") x 21 gauge. Flat head: 2mm Ideal for sensitive skin jewelry making, beading, earrings and more