Material: These torx screws are made of high quality stainless steel material. It's rigid strength and rust resistant. The thread surface is smooth, clear thread and burr-free.
Environment Friendly: Screws are made of stainless steel, environmentally friendly, mercury-free and non-toxic. During use, no toxic substances are released to ensure your safety.
Wide Application: Great for your home, office, DIY jobs and industry use, specially used for securing materials from being tampered with.