【High-Quality Material】Crafted from shock-resistant, high-manganese steel for exceptional strength and long-lasting durability. 【Precise Dimensions】Each needle measures 3 mm in diameter and 180 mm in length—engineered for optimal performance and compatibility. 【Rust-Proof Design】Built to withstand corrosion and wear, ensuring consistent performance over time. 【Universal Application】Suitable for both electric and pneumatic needle scalers, making them ideal for various industrial and maintenance applications. 【Customer Service】Our dedicated support team is here to help—committed to ensuring product quality and your complete satisfaction., Manufacturer: SWANSOFT