KLOUD City &reg;6 Pcs 4 Inch Heavy Duty Giant Safety Pins for Blankets, Skirts, Kilts, Knitted Fabric ,Crafts (2silver&2black & 2bronze) Iron steel texture is hard but not easy to deformation DIY safety pins Practicable, they can pin quilts together for a warmer cover and also can pin scarf to keep it from slipping off. Size: 4" length