4159 - 4158: 产品细节图：[展示不锈钢注射器针头的图片] 产品性能：实验室专用，针头锋利，穿刺顺畅。 用材：不锈钢材质，耐腐蚀。 参数表： 型号：ASL-ZT-0.6-150 - ASL-ZT-1.6-300 直径：0.6mm、0.9mm、1.2mm、1.6mm 长度：150mm、200mm、300mm 型号：ASL-ZT-0.6-150 - ASL-ZT-1.6-300 用途：用于与注射器配合，进行实验中的注射操作。 包装：单个包装，保证卫生。 使用说明：安装在注射器上，注意使用安全。 售后服务：如有损坏，可更换。 Product Details Image: [Show the picture of the stainless steel syringe needle] Product Performance: Special for the laboratory, the needle is sharp and the puncture is smooth. Materials Used: Stainless steel, corrosion-resistant. Parameter Table: Model: ASL-ZT-0.6-150 - ASL-ZT-1.6-300 Diameter: 0.6mm, 0.9mm, 1.2mm, 1.6mm Length: 150mm, 200mm, 300mm Model: ASL-ZT-0.6-150 - ASL-ZT-1.6-300 Usage: Used in conjunction with a syringe for injection operations in the experiment. Packaging: Individually packaged to ensure hygiene. Instructions for Use: Install it on the syringe and pay attention to safety. After-sales Service: If it is damaged, it can be replaced. 4159 - 4161: 与4156 - 4158类似，不同之处在于直径和长度的规格。 Similar to 4156 - 4158, the difference is the specifications of the diameter and length.