High-concerned chemical: None. Our thumb stud push rivet screws are made from pure titanium alloy, free from harmful chemicals, ensuring safety and environmental friendliness in every use. Type: Hand Tool Parts, specifically designed for folding knife repairs and customizations. These M3 titanium alloy CNC thumb studs are perfect for enthusiasts looking to enhance their folding knives with high-quality, components. : Proudly sourced from , ensuring a blend of traditional craftsmanship and modern manufacturing techniques. Each set is meticulously crafted to meet the highest standards of quality and performance. Versatile Application: Ideal for a wide range of folding knife models, these thumb studs come in multiple pairs (1/2/5 pairs), each with a 6MM diameter, providing flexibility and customization for various knife sizes and styles., Manufacturer: Ounfhtrttk