This 5/8" hitch pin locks your bike rack to your vehicle's trailer hitch, and the integrated steel cable locks your bike to the rack. Cable threads through bike frames and anchors to hitch pin. Fits Swagman racks with 2" square shanks. 
 
Features: 
Hitch pin locks your Curt or Swagman bike rack to your vehicle's 2" trailer hitch receiver
Built-in anti-rattle device prevents movement of bike-carrier shank in hitch
10-mm, Braided steel security cable locks your bikes to your bike rack
Cable threads through bike frame and attaches to hitch pin with steel thimble
Triple chrome plating on hitch pin ensures durability
Includes 2 flat keys