Tolsen 20049 9-Piece Extra Long Arm Hex Key Set

Tolsen 20049 9-Piece Extra Long Arm Hex Key Set is a high-torque metric Allen wrench set engineered to reach deep-seated socket head fasteners and provide maximum leverage in automotive, industrial machinery, and mechanical maintenance.

Technical Specifications

Key Features

• Extra Long Arm Construction: Extended shaft design easily clears surrounding components to access deeply set bolts while delivering optimal leverage for breaking tight seals.

• Hardened Cr-V Alloy Steel: Drop-forged and heat-treated Chrome Vanadium steel provides superior resistance against twisting, rounding, and structural deformation under high torque.

• Chamfered Drive Ends: Smoothly machined tips insert effortlessly into metric socket screws, protecting both the wrench tip and the fastener internal profile.

• Hinged Storage Organizer: Compact plastic bracket organizes keys sequentially by size with bold size callouts for efficient job-site inventory control.

Set Configuration / Included Sizes

• 9 × Metric Extra Long Hex Keys:

  • 1.5 mm × 90 mm

  • 2.0 mm × 100 mm

  • 2.5 mm × 112 mm

  • 3.0 mm × 126 mm

  • 4.0 mm × 140 mm

  • 5.0 mm × 160 mm

  • 6.0 mm × 180 mm

  • 8.0 mm × 200 mm

  • 10.0 mm × 224 mm