Sucker rod spear is a specialized tool to engage fish top as coupling. If you are interested in our products, please feel free to contact us. Type O.D.(mm) Connection Rod collar size Hole size(in) CGM-D25- 1 56 PJG25Rod collar thread PJG25 road collarYJG22/25rod collar 2 7/8”oil tube CGM-D25-2 65 3 1/2”oil tube
