4400lb 290mm Max Height Nodular Cast Iron Trolley Jack

4400lb 290mm Max Height Nodular Cast Iron Trolley Jack. Heavy-Duty Construction: Made of heavy gauge steel with nodular cast iron support arms for maximum durability. Safety Protection: Built-in safety valve and bypass device protect against over-pumping and overload. Easy Maneuverability: Features extra wide wheels with ball bearing casters for smooth rolling and transport. Rust Resistance: Zinc-coated pins, bearings, and rust-resistant finish ensure long tool life. Customizable Options: Big saddle or 2-piece saddle and plastic box or gift box are available.