Engine Piston Ring Keychain Motor Key Ring
- Diameter of Small Piston: 1.5cm(0.6inch)
- Diameter of Big Piston: 2.5cm(0.95inch)
- Weight of Small Piston:20g
- Weight of big Piston:45g
Item Type: Key Rings
Item Width: 2.5cm
Item Weight: 45g
Item Length: 5cm
Item Diameter: 2.5inch
Special Features: Pendent
Material Type: Zinc Alloy
diameter of big one: 2.5cm
diameter of small one: 1.5cm