1. Standard thread size: M6 (1 mm pitch); thread length: 30 mm/1.18 inches; knurled head diameter: 22 mm/0.87 inches; total height: 43 mm/1.69 inches. The screws are neat and precise, with uniform force distribution and antislip design. 2. Secure and reliable knurled thumb screws for precise adjustment and locking control. Suitable for saws, drill presses, lathes, milling jigs, packaging machinery, printing machines, woodworking equipment, and more. 3. Made of 304 stainless steel, these grub screws offer corrosion resistance, oxidation resistance, and strength, ensuring longlasting durability and stability. The rustproof design guarantees reliable performance. 4. The ergonomic thermoplastic hand buttons provide a comfortable grip. The tension knob is sturdy and durable, featuring a smooth, polished surface for an elegant finish.