I bought two by accident from Amazon and I'd have to pay to ship back. 5 bucks off! PeakTow PTJ0304 2000 Lbs Capacity Dual Trailer Swirl Jack Caster Wheel by PEAKTOW 4.4 out of 5 stars 15 customer reviews Price: CDN$ 29.90 1 new from CDN$ 29.90 Fits A-frame jacks with 2" diameter tube. Outside tube diameter: 2-1/4". Inside tube diameter: 2-1/32". Please measure the diameter of your jack's tube before purchase. Dual wheel diameter: 6"; Capacity: 2,000 lbs; 360-degree swirl Zinc plated, can be used on boat trailers Lock pin included Six months limited quality warranty. PeakTow is a Canadian company. If you have any questions, comments, or issues, please contact us through Amazon message. Our Canada-based customer service representatives are always happy to assist, and we stand behind our products with a CONFIDENT 100% MONEY-BACK HAPPINESS GUARANTEE!