Material :
W1--9mm installation torque 3.0-3.4Nm, 12mm installation torque 7.5Nm.
W2--9mm installation torque 3.4-4.5Nm, 12mm installation torque 7.5Nm.
W4--9mm installation torque 3.0-3.4Nm, 12mm installation torque 6.0-6.4Nm.
W5--9mm installation torque3.0-3.4Nm, 12mm installation torque 6.0-6.4Nm.
