... . The original material is Sinotruck material,Rubber core is polyurethane, Ball pin 40 contact material, high-frequency transfer of heat ... treatment process, the ball head shield is made of high-grade polyurethane, good transparency, oil resistance, corrosion ... pipe, small head 3HOWO6*4 Drag linkAZ9719430010thick pipe, big ball head 4HOWO8*4 Tie linkAZ97314300501.59m, thick pipe, big ...