Upgrade your projects with our premium 1/4"-28 x 1" Stainless Steel Thumb Screws, featuring a durable, corrosion-resistant metal construction and a sleek, black, knurled plastic knob for easy, tool-free use. Each screw is fully threaded with a fine, right-hand, 0.25" thread, ensuring secure and reliable fastening. Available in a pack of four, these screws are proudly built in the USA and backed by our hassle-free lifetime warranty.