PSR系列是为高品位，抛光不锈钢，抽油杆提供优良的冲击保护。 拧紧螺纹端，以获得*大的保持力，并使用套筒工具或扳手轻松拆卸。 比钢边帽更锋利的边缘 颜色编码以表示棒尺寸 螺纹设计 优良的冲击保护 材质：高密度聚乙烯 标准颜色：按尺寸的颜色代码
The PSR series is made for high grade, polished stainless steel, sucker rods providing excellent impact protection. Screw on threaded ends for maximum retention and easily removed with socket tools or wrenches.
Material: High-density polyethylene Standard Color: Color code by size
To Cap Rod Size
Color
1
BLUE
7/8
ORANGE
3/4
YELLOW
5/8
RED