All-aluminium alloy body with a thickened oxidised surface for scratch resistance. The coil spring is made of 304 stainless steel for durability and corrosion resistance. Wider, larger handle design provides a comfortable grip and easy turning without hand strain. Three-hole butterfly clip design expands beyond traditional styles and increases the clip's usable range. Made of hollow aluminium alloy for lightweight strength and long-term durability. Key benefits - Durable, corrosion-resistant construction using high-quality aluminium alloy and 304 stainless steel. - Scratch-resistant finish and a comfortable, easy-to-turn handle. - Lightweight yet strong, suitable for repeated use without hand fatigue. Specifications and performance - Material: aluminium alloy (body and clip), hollow construction; spring: 304 stainless steel. - Finish: oxidised, thickened surface for enhanced scratch resistance. - Design: wider and larger grip for comfortable operation; three-hole butterfly clip design broadens application. Use scenarios - Office or classroom: secure thick stacks of papers, cables, or organizer cords without slipping. - Crafts and DIY: hold fabric, leather, or small components in place while gluing or sewing. - Travel and outdoor: attach gear to a backpack, tent line, or luggage for quick access and secure fastening.