The No. 66900 is a heavy-duty 1" Drive Breakback Torque Wrench designed for industrial applications, making it ideal for heavy-duty areas. This robust tool is engineered to give a very clear "torque break point", significantly reducing the possibility of over-torquing, even under arduous working conditions.

Specifications:
- Drive: 1" single direction
- Torque Range: 300-1000Nm (200-750Ft/Lb)
- Tolerance: ±4%
- Ratchet Teeth: 36
- Torque Measurement: Clockwise direction only

Features:
- Heavy Duty Design: Built to withstand industrial use, providing durability in tough environments.
- Push-Through Ratchet: Allows for two-direction tightening, and the tool can be flipped over for left-hand threads.
- Dual Scale: Features an easily readable dual scale (N-m and Ft-lb) visible through a window.
- Split-Packing: The wrench can be split and packed in two parts, facilitating easy transport and storage.
- Ergonomic Handle: Equipped with an ergonomically shaped plastic handle for comfort and a non-slip grip.
- High-Quality Standards: Complies with DIN ISO 6789 & ASME B107.300-2010 standards.

Advanced Design:
- Round Head: This torque wrench features a robust ratchet mechanism with an inner 4-pawls design to handle large outputs. The absence of plates and screws prevents loosening during operation.
- Reliable Mechanism: The unique linking plate and support plate design ensure a clear torque break point, minimising the risk of over-torquing.
- Adjustment System: The torque can be adjusted easily by applying a revolving handle to turn the nut.
- Serial Number: Each wrench has a stamped serial number for traceability and quality assurance.

The No. 66900 Breakback Torque Wrench is your go-to tool for precision and reliability in high-demand situations. It combines ergonomic design with robust construction to meet the rigorous demands of industrial environments.