1. Spring buckle design 2. Effort-saving and convenient, universal design 3. No need to worry about extrusion of different pipes evenly 4. Easily deal with various design structures of 15mm diameter needle tubes, such as welding oil, blue oil, flux, etc. 5. Plug and play, convenient and fast 6. Aluminum alloy material, wear-resistant and drop-resistant 7. Uniform control, rotating design 8. Comfortable grip, high strength, corrosion resistance 9. Weight: about 200g
