Feature:1. Durable Brass: Made of brass material, durable with excellent thermal conductivity and corrosion resistance2. Simple Installation: Slip ring come with simple installation and easy to understand, very convenient to use3. For 168F Gasoline Engine Motor Parts: Conductive ring is suitable for 168F gasoline engine motor parts, useful and practical4. 22mm ID And 38mm OD: Inner diameter is 22mm, outer diameter is 38mm, 2 way collector helps a lot5. Stable Structure: Slip ring connector come with stable structure, excellent performance and long service lifeSpecification:Item Type: Slip RingMaterial: BrassInner Diameter: Approx. 22mm / 0.9inOuter Diameter: Approx. 38mm / 1.5inApplicable To: For 168F gasoline engine motor parts.Package List:1 x Slip Ring