Features 1、High Quality Material: The test needle sleeve is made of high quality copper material, which is sturdy and durable, ensuring long term use. 2、Accurate Test: As much as possible to produce a small contact resistance between the test probe and the test point to ensure the authenticity of the test results. 3、Good Contact Force: Even after hundreds of thousands of overlaps (test cycle), the necessary contact force can be ensured. 4、Easy to Use: It can be replaced quickly, and no wiring work is required. It is convenient to replace the test probe when maintaining the test fixture. 5、Purpose: The needle is mainly used for connection and can be used with all kinds of needles. Used for electronic parameter testing, electronic component testing, electronic product information import, etc. Specification Item Type: Test Needle Sleeve Material: Copper Size: Needle Sleeve Diameter: Approx. 1.67mm/0.065in Total Length: Approx. 38.3mm/1.5in Needle Sleeve Drilling Size: Approx. 1.7mm/0.067in Purpose: Electronic Parameter Test, Electronic Component Test, Electronic Product Information Import, etc. Package List 100 x Test Needle Sleeve