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Polished chrome vanadium steel combination wrench, 15 degree offset box end

Powerbuilt

Powerbuilt 644154 1-1/8" combination wrench

SKU CH-B8JA-DT5Z3

A 1-1/8" combination wrench with 15 degree offset and Z-Drive box end for stronger grip on fasteners

  • TypeHex Key Accessories
  • 15-degree offset eases fastener access
  • Z-Drive box end grips flat walls for stronger hold
  • Mirror-polished chrome vanadium steel resists corrosion
  • Built to meet or exceed ANSI specifications
  • Designed for reliable performance in demanding tasks

Professional combination wrench

The Powerbuilt 644154 is a 1-1/8" combination wrench built from mirror-polished chrome vanadium steel. Its 15 degree offset and chamfered walls allow easy mating to fasteners in tight spaces. The Z-Drive box end contacts flat walls for a stronger grip without rounding corners. This hand tool suits mechanics and technicians who need reliable SAE sizing.

Durable hand-tool construction

The polished chrome vanadium finish resists corrosion and wipes clean after exposure to oil or solvents. No moving parts or powered components mean silent operation and zero power draw during use. The solid one-piece forging eliminates flex under high torque, meeting or exceeding ANSI specifications for strength. Heat-treated steel maintains hardness through repeated heavy-duty cycles.

Fits standard SAE toolkits

The wrench integrates directly into existing SAE sets without requiring adapters or specialised storage. Its slim profile frees up space in crowded tool drawers or mobile service trays. The open end and box end share the same 1-1/8" size, reducing the number of separate tools a technician must carry. Buyers needing metric equivalents or ratcheting mechanisms will require different tools.

Highlights

  • 15-degree offset eases fastener access
  • Z-Drive box end grips flat walls for stronger hold
  • Mirror-polished chrome vanadium steel resists corrosion
  • Built to meet or exceed ANSI specifications
  • Designed for reliable performance in demanding tasks

Specifications

TypeHex Key Accessories

Questions about this item

How do I use the 15 degree offset on this 1-1/8" wrench without rounding the fastener?

Seat the box end fully on the hex flats so the Z-Drive contacts the flat walls, not the corners. The 15 degree offset lets you flip the wrench for a fresh swing in tight spots without lifting the end off the nut.

What wear should I watch for on the mirror-polished chrome vanadium steel over time?

Inspect the box-end chamfers and open-end jaws for rounding or spreading. Clean off corrosion promptly; the polished finish resists rust but scratched areas can oxidise if left wet or exposed to road salt.

At what point does the box-end grip slip before the fastener turns under heavy torque?

The Z-Drive box end is designed to grip the flat walls of the fastener. Slip typically occurs only when the applied torque exceeds the fastener's own yield strength or when the fastener corners are already damaged.

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