Shank measures 9″ long from center of hitch pin hole to the center of the adjustment holes.
 

• 9 Bolt holes let you adjust the height of your Blue Ox Track Pro weight distribution system.
• Fits 2-1/2″ receivers.
• 2-1/2″ Shank slides into your hitch receiver and provides attachment point for your Blue Ox Track Pro weight distribution head assembly
• 9 Adjustment holes for attaching the head assembly
• Lets you level your trailer with the head assembly
• Drop or rise positions available to fit your tow vehicle
• Powder coated steel resists corrosion
• Made in the USA
• Application: 2-1/2″ reciever hitches
• Overall length: 13″
• Overall height: 12-1/2″
• Vertical adjustment height: 11-1/4″
• Distance from center of hitch pin hole: To center of adjustment holes: 9″ / To front of shank: 10″
• Maximum rise: 10-1/2″
• Maximum drop: 4-1/2″
• Distance between adjustment holes: 1-1/4″ center to center