Features High-Quality Stainless Steel: Crafted from premium stainless steel, ensuring exceptional wear resistance and durability, providing long-lasting performance for industrial applications. Superior Air Tightness: Boasts excellent air tightness, delivering reliable and practical pneumatic operations, ensuring efficient and effective functionality. Corrosion-Resistant Surface: Featuring an oxidized surface, providing robust protection against corrosion, ensuring longevity and consistent performance in various environments. Enhanced Longevity: Equipped with an imported high-strength telescopic spring, extending the lifespan of the cylinder for sustained usage, delivering reliable and consistent performance over time. Needle Type Design: Incorporates a needle type male thread, offering precision and control in pneumatic operations, making it an ideal choice for precision applications. Specification: Condition: 100% Brand New Use Pressure: 0.3~0.7MPA Piston Speed: 50~500mm/s Material: Stainless Steel Bore Diameter: 4mm Environment and Fluid Temperature: -10~70℃ Working Medium: Air Piston Rod Thread Pressure: M2*0.4 Air Pipe: 4*2.5 PU Pipe Optional Style: #1 CJ1B4*5SU4, #2 CJ1B4*10SU4, #3 CJ1B4*15SU4 Package List: 1 * Mini Cylinder Package List