This Tension dynamometers measure the tension or force for cables, ropes, chains or other material.
It can ensure that the forces applied are within safe and specified limits.

Built-in Rechargeable battery
Load limit/breaking load 200%/500%
Product dimension: 15.7×3.7×2.6 inch
64*40mm LCD display
Division: 2kg
Peak value hold function
Overload display 110%
Temperature range: -10℃-40℃
Item includes shackles and Wireless indicator

Dynamometer with shackles Gross Weight: 6kg

FAQ
why do you need a wireless indicator?

When you measure the tension or weight for heavy duty, you had better see data remotely to ensure person safe.