**Front-Pin Heavy Duty Square Jack features a spring-return drop leg that will lift 10,000 lb.**nn* Easy retraction and expansion with the spring return mechanism.n* Strong, durable 4-in. square construction will handle up to 10,000 lb (dynamic) and 12,000 lb (static).n* Use in pairs for even heavier-duty applications.n* Corrosion-resistant black powder-coated finish.nnn| **Color** | Black | **Dynamic Capacity** | 10,000 lb |n| —– | —– | —————- | ——— |n| **Extended Length (in.)** | 54″ | **Finish** | Powder-Coat |n| **Material** | Carbon Steel | **Retracted Length (in.)** | 28.5″ |n| **Square/Round** | Square | **Static Capacity (lbs)** | 12,000 lb |n| **Travel (in.)** | 13″ | **Type** | Weld On |n| **Wind** | Side Wind | | |n