1. Material: Iron 2. Applicable models: for Yamaha Tianjian/Jinpao SRZ150/Neptune/Superhuman 3. Specifications: 150 Rama 4. Simple design, easy to operate and maintain 5. Strong material to ensure long-lasting performance and reliability 6. Compact size, easy to carry and use when you are out of work 7. Use: quick and easy to remove motorcycle flywheel, magneto rotor, etc 8. Diameter: 110mm 9. Weight: about 1.1kg