Features: These knob handles are made of plastic for durability and long service life. The surface is well polished which can offer a comfortable grip feeling. There are total 10 pieces of knob handles in one set that you can use for many machine tools. These knob handles are universally fit and can be used for all types of machine tools. They are great accessories to replace your old or broken knob handles. Specifications: Color: Black Size(thread x OD): M6 x 25 Material: Plastic Suitable Machine Tool: All types Quantity: 10pcs Weight: 91g(approx.) Package Includes: 10 x Knob Handles Note: Please allow small size error due to manual measurement. Thanks for your understanding. 1,These knob handles are made of plastic for durability and long service life 2,The surface is well polished which can offer a comfortable grip feeling 3,There are total 10 pieces of knob handles in one set that you can use for many machine tools 4,These knob handles are universally fit and can be used for all types of machine tools 5,They are great accessories to replace your old or broken knob handles Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.