G.O.T.H. CHASSIS MODULES - for 1.25" ID section (for ex MHS parts) - Main for Igniter Mini / Spark Color / Spark soundboard + 18650 battery. Holes available for 4-40 threaded rods in order to attach other Chassis Modules available in this store. These holes are compatible between all sizes, so you can mix modules between different sizes according to your saber structure. Additional set of holes that are compatible with MHS chassis disks.