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Master Lock trailer hitch lock for 1-7/8, 2, and 2-5/16 in. couplers

Master Lock ★ 4.1/5 · ItemOracle Score Mid-Range

$53 USD
Price subject to change
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Master Lock 377KA Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers & 2866DAT 1/2 in. and 5/8 in. Swivel Head Receiver Lock for Class I-IV, 1 Pack, Black

Hitch lock fits common trailer couplers and helps secure vehicles, trailers, and RVs. Customers note high quality, secure feel, and easy installation, with some finding fit varies by trailer

Highlights

  • universal fit for several coupler sizes
  • secure locking mechanism
  • customer-perceived high quality

Pros

  • universal fit for multiple coupler sizes
  • advanced locking mechanism
  • easy to install
  • strong, secure construction

Cons

  • fit may be loose for some trailers

Best For

  • trailers
  • rv vehicles
  • hitches for towing
  • surge brake compatible setups
  • camping trailers
  • boat trailers

Features

  • Fits 1-7/8 in., 2 in., and most 2-5/16 in. trailer couplers
  • Zinc construction resists rust and corrosion
  • Receiver lock adds security during towing with 1/2 in. and 5/8 in. locking pins
  • 1/2 in. pin rated up to 3,500 lbs; 5/8 in. pin rated up to 10,000 lbs
  • Advanced locking mechanism resists picking and prying

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