Four Industrial Grade Bearings: Four reinforced bearings, strong and powerful, rugged and wear-resistant. Metal oil seals on both sides of the wheel, isolated from air corrosion resistance, prevent rust, reduce friction, more mute. Durable Carbon Steel Handle: The high quality seamless carbon steel handle for high pressure resistance, good toughness. The long handle gives the user the ergonomic edge to avoid injury and provides needed leverage, more labor-saving. Thickened Steel Plate: Thickened steel plate, use carbon dioxide gas protection welding for high precision, more solid and strong, not easy to break. Strengthen strange points, more convenient to pry machines and heavy loads. 6600lbs Capacity & Easy To Use: The pry lever bar can load 3T/6600lbs heavy equipment, no pivot required when using, easy to pry up heavy loads, save much time and effort. Lightweight and portable, easy to store and transport