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Seven bronze combination wrenches with 12-point box ends and 15-degree offset

Ampco

Ampco M-41 Combination Wrench Set 7pc 12pt 15° Offset

SKU CH-BDK8-74Z56

Seven 12-point combination wrenches with a 15° offset and non-sparking, non-magnetic bronze heads

  • Product typeCombination, Open & Box End Wrenches
  • Non-sparking, non-magnetic heads prevent ignition in hazardous areas
  • 12-point box ends grip fasteners from multiple angles
  • 15-degree offset reaches confined spaces easily
  • Aluminium bronze finish resists corrosion for long service life
  • Seven-piece set covers common fastener sizes from 3/8 in to 7/8 in

Professional Safety Tooling

The Ampco M-41 combination wrench set supplies seven non-sparking, non-magnetic wrenches built from aluminium bronze. Each piece carries a 12-point box end and a 15-degree offset for work in confined spaces. The corrosion-resistant finish protects the tools during extended use in harsh environments.

Hazardous-Area Maintenance Crews

These wrenches suit technicians who must turn fasteners where a spark could ignite flammable vapour or dust. They also serve engineers needing non-magnetic tools near sensitive instruments. Buyers who require ferrous-steel strength or standard chrome-plated finishes should look at alternative ranges.

Non-Sparking Aluminium Bronze Construction

The alloy prevents ignition risk and magnetic interference, which is the decisive factor for petrochemical, marine and aerospace workshops. Without this material property the set cannot be used in classified hazardous zones.

How it compares

Measured against everything we stock in Pliers, Wrenches & Gripping Tools, at today’s prices. Recalculated every night.

Price $378.99
Pricier than about 91% of the 2,110 comparable items (median $23.99).

Specifications

Product
Brand nameAMPCO
Product typeCombination, Open & Box End Wrenches

Questions about this item

How do I know the 12-point box ends are engaging correctly after setup?

The 15-degree offset lets you feel positive seating on the fastener; a smooth ratcheting motion without rounding confirms proper engagement.

What wrench sizes come in the M-41 set and are any extras needed?

The set includes seven combination wrenches in 3/8, 7/16, 1/2, 9/16, 5/8, 3/4 and 7/8 inch; no additional pieces are required for the listed sizes.

Which version of the M-41 should I choose for non-sparking, non-magnetic use?

The M-41 is supplied in aluminium bronze with non-sparking, non-magnetic heads, making it the correct choice for hazardous environments.

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