Rapid Hitch Stainless Steel Keyed Adjustment Locking Pin Setfor 2" and 2.5" 

• Stainless Steel
• 1 adjustment pin and 1 receiver pin 
• Adjustment pin 4 3/8" long X 5/8" diameter 
• Receiver pin 3 1/3" x 5/8" diameter
• 30,000 lbs shear strength
• Cam locking system
• Rubber dust cap shields key slot

Protect your hitch accessory investment. This lock is cheap insurance.