Features 1、100% brand new and high quality. 2、Made of good quality engineering plastic material with excellent insulation performance. 3、Embedded with M10 female thread copper nut for easy installation. 4、Durable for long term use. 5、Replacement parts for machine tools. Specification Features: 100% brand new and high quality. Made of good quality engineering plastic material with excellent insulation performance. Embedded with M10 female thread copper nut for easy installation. Durable for long term use. Replacement parts for machine tools. Specification: Material: Engineering plastic Weight: 175g/6.2oz Color: Black Quantity: 5pcs Female Thread Size: M10 Ball Diameter: 35mm Applicable machine tools: all available Package List: 5* Ball Lever Knob Package List