The CURT Switch Ball set lets you quickly switch between 1-7/8", 2" and 2-5/16" trailer ball sizes without any tools, coins or pins. The exclusive J groove design allows the shank to bear the weight, freeing the coupler from friction or binding for smoother towing.

• Fits 1-7/8", 2" and 2-5/16" couplers
• 1" x 2-1/4" shank
• Exclusive J groove design - no tools, coins or pins required
• Shank bears the weight, freeing the coupler from friction
• Constructed of high-strength steel
• Premium nickel chrome-plated finish
• Zinc-plated hex nut and helical lock washer included
• Tested in accordance with SAE J684