【High quality material】 The is made of high quality stainless steel and is heavily coated or blackened to improve durability and anti-rust performance. Long service life and good corrosion resistance in harsh environments such as high temperatures, cold weather and high humidity. 【Good safety performance】 The product is manufactured according to strict quality standards before leaving the factory and is environmentally friendly and non-toxic. No toxic substances are released during use, which can ensure your safety. 【Handle Adjustment】 The handle is particularly suitable for situations where the rotation angle of the control rod is limited and is mainly used for adjusting the position and height of mechanical operating parts. 【Scope of application】 This product is widely used and a necessary part of packaging machines and equipment, universal knife sharpeners, machine tools, welding equipment, printing equipment, woodworking machines, packaging machines, dyeing machines and other machines. 【Fine processing】 The product has undergone fine processing and excellent workmanship. Each edge can precisely lock the screw in place without damaging the screw.