Features:
- IN0410 aluminum mushroom-type piston
- Ventilated mushroom-type piston head made of durable and lightweight aluminum
- Designed for standard diameter cylinders
- High precision
- Rubber damper head for shock absorption and noise reduction
- Ventilated design
- Rubber O-ring
- Suitable for all gearboxes
- Comes with a metal ball bearing
- Weight: 12 grams