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Ratcheting Combination Wrench Metric (Standard Length) - NEPROS

Part #: MSR1A-21

Introducing the NEPROS MSR1A-21 Ratcheting Combination Wrench, a precision-engineered metric tool designed for professional automotive and industrial technicians. Crafted with meticulous attention to detail, this standard-length 21mm wrench combines the speed of a ratcheting mechanism with the secure grip of an open-end wrench, providing exceptional performance and durability in demanding work environments.

Key Features

  • Superior Dimensional Accuracy: Manufactured to industry-leading tolerances, the NEPROS MSR1A-21 ensures a secure and precise fit on fasteners, minimizing slippage and preventing damage to bolts and nuts.
  • Enhanced Durability and Finish: Featuring a proprietary hard chrome plating, this wrench offers excellent resistance to wear and corrosion, maintaining its superior appearance even with extensive use in a professional setting. The mirror-smooth finish also contributes to a comfortable grip.
  • Optimized Ratcheting Mechanism: The robust ratcheting box end allows for rapid fastening and unfastening, proving highly efficient in repetitive tasks and reducing hand fatigue. While specifics on tooth count for this exact model aren't listed, NEPROS ratcheting mechanisms are renowned for smooth action and minimal backdrag.
  • Access in Confined Spaces: Designed with a slim profile and a 15° offset on the box end, this wrench provides improved clearance for knuckles and better access to fasteners in restricted areas.
  • "Power-Fit" Design: The wrench incorporates a "power-fit" shape that enlarges the contact surface with the fastener, enabling more secure tightening and loosening without rounding edges.
  • Professional-Grade Construction: As part of NEPROS's premium line, this Japanese-made tool exemplifies exceptional quality, strength, and ease of use, meeting the rigorous demands of professional mechanics.

Applications

The NEPROS MSR1A-21 Ratcheting Combination Wrench is an indispensable tool for a wide range of professional applications. It excels in automotive repair and maintenance, including engine work, suspension adjustments, and chassis component servicing, where its ratcheting function speeds up tasks. In industrial settings, this wrench is ideal for machinery assembly, equipment maintenance, and other tasks requiring precise torque application in tight spaces. Its robust construction ensures reliable performance across diverse professional scenarios.

Specifications

  • Manufacturer: NEPROS
  • Model Number: MSR1A-21
  • Type: Ratcheting Combination Wrench
  • Size: 21mm Metric
  • Box End: 12-Point
  • Length: 290 mm (Standard Length)
Only 2 left in stock - order soon

$41.96

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  • Model: 441909
  • Shipping Weight: 0.75lbs
  • UPC: 00498943318905
  • Manufacturers Part #: MSR1A-21
  • Manufactured by: NEPROS
  • Also Known As: KTC-MSR1A-21

This product was added to our catalog on Saturday 30 May, 2026.