Material: High quality Stainless Steel - Smooth polishing, oil-proof, anti-rust, anti-corrosion, waterproof. Measurement: Total Length: 4inch (11.5cm). Measures hems professionally up to 3 inches wide without any crook. EASY TO USE: No more broken needles! Instead of the traditional jabbing sewing pin, these hemming clips have great flexibility to glide onto fabric and holds them tightly in place when you sew. Keep your fabric intact without any breaking.Tough Marking for Long Term Use, The Markings engraved on the hem ruler. USE RANGE: The Markings engraved on the hem ruler, used to fix fabric and measure size during sewing. Perfect for hemming clothing, curtains and more.Especially helpful for beginners in sewing project