Safely useful heavy duty office tools for DIY crafting,quilting,design Our strong and durable 2/2.5/3inch safety pins with curved steel spring locks are preferred by crafters Each set of 20 round steel safety pins is packaged in a compact travel case for easy storing Use the fasteners as quilt pins,jacket safety pins,name badge safety pins or jewelry safety pins,easy open easy lock,very convenient for your daily life Large heavy duty safety pins for blankets,crafts,leather,wool,canvas,vinyl,upholstery + more,safe and sturdy enough for your needs