Strength & Durability: Crafted from extremely strong chrome vanadium steel with Black Oxide, these wrenches offer exceptional corrosion and rust resistance, ensuring long-lasting performance and durability in various working conditions. Comprehensive Set: This set includes 11 high-quality wrenches that exceed ANSI standards, featuring sizes::34,35,36,38,40,41,42,44,46,48,50mm, with surface pressed marking for easy identification, providing a versatile range to meet various fastening needs. Combination Versatility: The jumbo combination wrench set features both open and box ends, with the open end gripping tightly onto fasteners for easy turning, and the 12-point box end designed to reach narrow spaces, ensuring versatility and efficiency in various applications. Widely Used: The super-sized metal build provides more leverage and power for tough nuts in tight spaces, with a 15-degree offset offering increased clearances for knuckles. Ideal for use with large equipment, including farm equipment, tractor trailers, graders, and cement trucks, ensuring versatility and practicality for a range of applications. Convenient Storage: Made of 420D black filament oxford cloth, the wrench set comes with a pouch for easy organization and convenient storage, with three hanging holes for easy suspension, ensuring the wrenches are always at hand when needed and are easy to store and transport.