FEATURES: Durable metal construction.
          The screw has a phillips drive insert.
          Replaces damaged or missing muffler assembly screws.
          Allows rear section to be loosened and rotated to direct exhaust up
            or down.

INCLUDES: One Screw and Nut for the Muffler for the Tower Hobbies .15 Engine
            with fiber washer and lock washer.

REQUIRES: Inserting screw through front and rear muffler sections, installing
            nut and both washers at the rear section. Ballnut and worm assembly

worm and ballnut assembly. ballnut and worm assy