Features The surface is well polished, which can provide a comfortable grip feeling These knob handles are made of high quality plastic for durability and long life These knob handles are universal fit and can be used for all types of machine tools There are a total of 10 pieces knob handles in one set, which you can use for many machine tools They are a great accessory to replace your old or broken knob handles Specifications: Colour: black. Size (thread x outer diameter): M6 x 25. Material: plastic. Suitable machine tool: all types Quantity: 10 pieces. Weight: 91g (approx.) Features:These knob handles are universal fit and can be used for all types of machine tools.There are a total of 10 pieces knob handles in one set, which you can use for many machine tools.These knob handles are made of high quality plastic for durability and long service life. The surface is well polished, which can provide a comfortable grip. They are a great accessory to replace your old or broken button handles. Package includes: 10 x button handles. Note: Please allow little size error due to manual measurement. Thank you for your understanding. Package List