Feature:1. Special Design: The pull handle has ergonomic design, and light weight is easy to grip, safe to operate.2. Rich Content: The engine pull will come with a 12mm hexagonal unidirectional bearing for your convenience.3. Strong Material: Made of plastic material, that the pull starter is durable and can be used for a long time.4. Suitable Situation: Suitable for these model car with methanol engine to use or replace the old or damaged one.5. Durable: Please pull the start string gently, otherwise it will be easily broke, you can also use other things to increase its durability.Specification:Item Type: RC Car Pull StarterMaterial: Plastic + SteelColor: BlackApplication: For Model Car 15 16 18 21 25 Methanol EngineProduct Size: External Diameter Of One Way Bearing: Approx.12mm/0.5inUnidirectional Bearing Inner Hole Diameter: Approx.6.5mm/0.3inHeight Of One-Way Bearing: Approx.12mm/0.5inWeight: Approx.30g/1.1oz.Package List:1 x RC Pull Starter1 x One Way Bearing