Trailer-&-Towing-Accessories > Trailer-Balls

CURT Trailer Ball Box-End Wrench (Fits 1-1/8" or 1-1/2" Nuts)

Trailer Ball Accessories

Trailer Ball Box-End Wrench (Fits 1-1/8" or 1-1/2" Nuts)


  • Ideal for installing or removing trailer balls
  • 1-1/8" and 1-1/2" ends for use with trailer balls with 3/4" or 1" shanks
  • 6-point design ensures the best grip and protects against rounding of the nut
  • 15-1/2" length provides adequate leverage for proper torqueing
  • Made with forged, hardened steel construction
  • Protected by a durable chrome plating
  • Limited lifetime warranty (one-year finish, one-year parts)
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		Add to Cart
CURT20001 CURT 20001, Box End Wrench, 1-1/8, 1-1/2-Inch Openings, Torque Trailer Hitch Balls with 3/4 or 1-Inch DiameterShank (1 MIN) 13.48 1 EA

CURT Trailer Ball Reducer Bushing

Trailer Ball Accessories

Trailer Ball Reducer Bushing


  • Reduces hole size, allowing use of trailer balls with smaller shank diameters
  • Reduces 1" diameter hole to 3/4"
  • Protected by a durable yellow zinc-plated finish
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		Add to Cart
CURT21100 CURT 21100, Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem (1 MIN) 1.83 1 EA
CURT21200 CURT 21200, Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-1/4-Inch Diameter to 1-Inch Stem (1 MIN) 1.97 1 EA
CURT21300 CURT 21300, Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-3/8-Inch Diameter to 1-1/4-Inch Stem (1 MIN) 2.37 1 EA

CURT Trailer Ball Reducer Bushing (Packaged)

Trailer Ball Accessories

Trailer Ball Reducer Bushing (Packaged)


  • Reduces hole size, allowing use of trailer balls with smaller shank diameters
  • Reduces 1" diameter hole to 3/4"
  • Protected by a durable yellow zinc-plated finish
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		Add to Cart
CURT21101 CURT 21101, Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, Packaged (1 MIN) 2.60 1 EA
CURT21201 CURT 21201, Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-1/4-Inch Diameter to 1-Inch Stem, Packaged (1 MIN) 2.60 1 EA

CURT Trailer Ball Cover

Trailer Ball Accessories

Trailer Ball Cover (Black Rubber)


  • Protects trailer ball when not in use
  • Constructed from quality black rubber
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		Add to Cart
CURT21800 CURT 21800, Black Rubber Trailer Hitch Ball Cover, 1-7/8 or 2-Inch Diameter (1 MIN) 1.99100 1 EA
CURT21810 CURT 21810, Black Rubber Trailer Hitch Ball Cover, 2-5/16-Inch Diameter (1 MIN) 2.29 1 EA

CURT Trailer Ball Cover (Packaged)

Trailer Ball Accessories

Trailer Ball Cover (Black Rubber)


  • Protects trailer ball when not in use
  • Constructed from quality black rubber
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		Add to Cart
CURT21801 CURT 21801, Black Rubber Trailer Hitch Ball Cover, 1-7/8 or 2-Inch Diameter, Packaged (1 MIN) 3.85500 1 EA
CURT21811 CURT 21811, Black Rubber Trailer Hitch Ball Cover, 2-5/16-Inch Diameter, Packaged (1 MIN) 4.38 1 EA

CURT Replacement Trailer Ball Nut & Washer

Trailer Ball Accessories

Replacement Trailer Ball Nut & Washer


  • Helical lock washer ensures a secure mount
  • Constructed from high-strength steel
  • Protected by a durable zinc-plated finish
  • Tested for safety to meet U.S. VESC V-5 specifications
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		Add to Cart
CURT40103 CURT 40103, Replacement Trailer Hitch Ball Nut and Washer for 3/4-Inch Shank (1 MIN) 2.88 1 EA
CURT40104 CURT 40104, Replacement Trailer Hitch Ball Nut and Washer for 1-Inch Shank (1 MIN) 3.48 1 EA
CURT40105 CURT 40105, Replacement Trailer Hitch Ball Nut and Washer for 1-1/4-Inch Shank (1 MIN) 5.53 1 EA
Prop65 Warning