ENGINE MAX – High-Tech EDC Spinner Inspired by the engine elements of the J20 and the BOEING 787 Dreamliner, the ENGINE MAX combines aviation-inspired design with high-performance spinning mechanics. Key Features Aviation-Inspired Design – Front turbine and rotor structure mimics an airplane engine, while the back features fan paddles for a realistic engine effect. Linkage Structure – Uses R188 + 6703 linkage for smooth operation and the ability to add 4-12pcs of 6mm steel beads for a unique tuning fork effect. Mach-Ring Sci-Fi Look – Large size with DIY tritium tubes for a futuristic, customizable appearance. Visual & Auditory Impact – The collision of beads with the hollow structure creates both a stunning visual and crisp sound. A high-performance spinner that combines precision engineering with futuristic design for an exceptional EDC experience! Dimensions Φ58 x 22mm Weight Titanium: 145g Bearing R188 + 6703 Bead slot 6mm 4-12pcs Tritium slot 1.5 x 6mm 12pcs