This is a preset click torque wrench. It is designed to be set once to a specific torque value and then used in a repetitive manufacturing process or other application where the same torque is always available. Yes, that means you must have your own means of checking the set torque. It's a great tool for its purpose and it's easy to set up. The only downside for me is that its compact length can make it difficult to tighten when set to a high range, and if you value your wrist you don't want to use it all day. If you have a job site that you need to drive to and have specific fasteners that need to be tightened to a known value, this lightweight and compact tool is perfect. Just do some basic research and know what you're buying in advance.
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