GEARWRENCH Combination Wrench Set 81917 18 Piece Long Pattern Full Polish Chrome SAE 12 Point Alloy Steel Heavy Duty Hand Tool Automotive Repair

In stock
SKU: 81917
Regular price $179.99 USD

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Extended Beam Long Pattern Spanners for Increased Mechanical Leverage

The GEARWRENCH 81917 SAE Combination Wrench Set delivers 18 high-strength alloy steel hand tools engineered to serve as a primary high-leverage fastening layout for high-load industrial assembly and automotive repair. Featuring a specialized long pattern beam and a 12-point box end, this professional tool selection increases manual torque transmission to break loose stubborn or seized hex fasteners. The open and box ends incorporate an off-corner loading configuration that shifts structural stress away from hardware corners to eliminate rounding, while a 15 degree box end offset resolves clearance limitations for hands in confined mechanical compartments.

Best Used For:

  • Seized Hardware Extrication: Applying high manually generated leverage to break loose corroded, over-torqued fractional fasteners.
  • Cramped Compartment Access: Reaching sunken structural bolts using the extended long pattern beam and 15 degree box end offset profile.
  • Automotive Undercarriage Maintenance: Servicing high-torque suspension links, steering columns, and chassis brackets efficiently.

Key Performance & Safety Features

  • Long Pattern Beam: Extended length format provides superior mechanical leverage and reaches deep into compact engine setups.
  • Off-Corner Loading: Specialized entry design on both tool ends decreases fastener rounding by distributing rotational forces onto the flat sides.
  • 15 Degree Box End Offset: Engineered angled clearance provides an ergonomic safety margin for hands and knuckles over obstruction boundaries.
  • Dual End Versatility: Combines a continuous open end and a highly adaptable 12-point box end configuration for diverse hex head indexing.
  • Full Polish Chrome Finish: Mirror-like industrial plating permits rapid shop cleanup of oil or grease and stops atmospheric oxidation.
  • Permanent Identification: High-contrast hard-stamped markings are rolled directly onto the beam to prevent long-term size legibility wear.

What's Included

  • 18 SAE Combination Wrenches (1/4 Inch, 9/32 Inch, 5/16 Inch, 11/32 Inch, 3/8 Inch, 7/16 Inch, 1/2 Inch, 9/16 Inch, 5/8 Inch, 11/16 Inch, 3/4 Inch, 13/16 Inch, 7/8 Inch, 15/16 Inch, 1 Inch, 1-1/16 Inch, 1-1/8 Inch, 1-1/4 Inch)
  • 1 Durable Heavy-Duty Tool Roll for Storage and Organization

Technical Specifications

Brand GEARWRENCH
Part Number 81917
Piece Count 18 Pieces
Measurement Type SAE (Fractional / Imperial)
Length Format Long Pattern
Material Construction Forged Alloy Steel
Surface Finish Type Full Polish Chrome
Drive Type Profile 12 Point Box End / Open End
Box End Offset Angle 15 Degrees
Wrench Size Range Coverage 1/4 Inch to 1-1/4 Inch
Catalog Gross Weight 12.40 lbs
Industrial Standards Compliance Meets or Exceeds All ASME and ANSI Specifications
Warranty Infrastructure Full Lifetime Warranty
Pro-Tip: When using long pattern beams, the increased leverage multiplies manually applied input force significantly. Ensure the 12-point box end is fully seated flush onto the hex head before pulling to maximize the efficiency of the off-corner loading layout and prevent sudden bracket deflection.