Pacific Rim International manufactures jacks and couplers for your trailer.
Pacific Rim International LLC

RAM CT2001 Straight Tongue Coupler - 1-7/8 Inch Ball - 2 Inch Square Tongue - Oily Finish - 2000 Lbs
REG. $35.95
Sale! - $29.99
You Save $5.96 (16.6%)

Pacific Rim JC-101 Tongue Jack Caster Wheel with Pin - 1,200 Lbs - Fits 2,000-5,000 Lbs Tongue Jacks
REG. $35.95
Sale! - $29.99
You Save $5.96 (16.6%)