The servo saver from the Tamiya Mad Bison is identical to the original M03/TL01 servo saver except it is made with stronger/reinforced plastic. It is dark grey instead of black. It is of course the same length. It can be further stiffened up by putting the outer spring of the Tamiya hi torque servo saver around it. The Tamiya Hi torque servo saver is commonly used but is shorter and causes more undesirable bump steer.