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Curt 1-7/8" and 2" Switch Ball Set, 1" x 2-1/4" Shank - Up to 6000 Lb

https://www.trailerpartsdepot.com/web/image/product.template/19613/image_1920?unique=f4b9d9c

SKU: 42178

30.31 30.311600000000002 USD 36.52

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  • Fits 1-7/8" or 2" couplers and accepts up to 6,000 lbs. GTW (depending on ball)
  • Capacity is dependent on ball size: 1-7/8 - 3500 lb, 2" - 6000 lb
  • Exclusive 'J' groove design ensures a secure system
  • No tools, coins or pins required for trailer ball installation
  • Shank bears the weight, freeing the coupler from friction and binding
  • Constructed from high-strength steel
  • Protected by a premium grade, nickel chrome-plated finish
  • Zinc-plated hex nut and helical lock washer for secure mounting
  • Independently tested in accordance with SAE J684 for safety and proven safe
  • U.S. patent# 5,169,168; Canadian patent# 1,325,445
  • Limited lifetime warranty (one-year finish, one-year parts)

Notes:

  • No tools, coins or pins required for trailer ball installation
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May 20, 2026 by Steven D. (LA, United States)
“Very pleased with my purchase”
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May 19, 2026 by James L. (United States)
“I like the website, easy to order parts for my trailer. I’ll be using your site now. Glad I found it.”
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May 18, 2026 by Giovanni D. (United States)
“Quick and easy I would definitely buy from you guys again”