PSR系列是為高品位，拋光不銹鋼，抽油桿提供優良的沖擊保護。 擰緊螺紋端，以獲得*大的保持力，并使用套筒工具或扳手輕松拆卸。 比鋼邊帽更鋒利的邊緣 顏色編碼以表示棒尺寸 螺紋設計 優良的沖擊保護 材質：高密度聚乙烯 標準顏色：按尺寸的顏色代碼
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