Fulton Receiver Lock 5/8" For 2 1/2". Comes in a size of 5/8" and fits 2-1/2" Class V receivers. Composed of high quality durable stainless steel for optimal performance and reliability. Features of Fulton 580412 Receiver Lock 5/8" For 2 1/2" Receiver lock size: 5/8" Fits 2-1/2" receiver Quality durable materials Stainless steel composition Package Contents: Fulton 580412 Receiver Lock 5/8" For 2 1/2" Fulton 580412: Receiver Lock 5/8" For 2 1/2"