High-precision steel screw who's got a shoulder, allowing the screw to go somewhat in the top deck. This excellent screw permits fine customizations the carââ¬â¢s flex, by adding and/or removal of them towards automobile upper deck. Including several screws towards the trunk part of the top deck will reduce rotation while increasing safety. The car may have more hold, plus much more protection under stopping. Including a few screws towards leading the primary top deck will offer the car both on-and off power, nevertheless it wil dramatically reduce steering it really is more likely to result in the automobile more straightforward to drive. Machined from HUDY Spring Metal. Group of 2.