Product Description Reese Towpower 7010500 Pin and Clip Reese Towpower Pin and Clip features 2 inch diameter pin set for class I and II hitches. It is made from a sturdy material which is highly durable. This clip is weatherproof and is easy to use. California Prop 65 Warning : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information visit to the website.