Our Product Is Rated For 3500LB Tongue Capacity Via 12V Power. The Maximum Travel Distance Is 18" And The Unit Is Fully Retracted At 29". The Outer Tube Diameter Is 2-1/4 And Connects To Your Power Unit Easily Through The 10-Gauge Wires Provided. Our Jacks Are Stress Tested For Over 600 Continuous Cycle Of Use. We Want Our Products To Rise To Challenges Of The Outdoors And Have Tested Them Against The Highest Standards Of Wear And Tear.This Includes UV Testing For All Plastic Components, Salt Spray Booth Testing, Max Shear Force, And Torque Weight Metrics. The Units Are Manufactured With Hardened Steel Gears and Double-Welded Rods. We Engineer The Best Possible Value Proposition For Our Buyers Looking For Robust Quality At An Honest Price. Our Epic HD Model Offer Front-End Illumination, Water Resistant Switches, Speedy Operation and Stability In Its 6 Wide Base. The Jack Can Be Operated Via Its Motor Or By Manual Crank (Which Is Included). We Deliver On The Idea That The Product Should Be Easy-To-Install, Simple-To-Use, & Safe. For User Safety And To Avoid Damaging Internal Components, An Internal 25 Amp Auto-Reset Breaker Is Installed In Each Jack. This Provides Overload Protection In Rare Cases Output Currents Might Otherwise Harm Motor Internals. If The Breaker Is Activated, The Jack Will Briefly Shut Down For 10 Seconds And Reset For Continue Use. No Need For Fussing With External Plug-In Fuses! This item is in the category "eBay Motors\Automotive Tools & Supplies\Shop Equipment & Supplies\Jacks & Jack Stands". The seller is "bstdistribution" and is located in this country: US. This item can be shipped to United States.