So the jaws can sit straight on a bolt, but you won't skin your knuckles while turning it.
So you can fit the 'box' fully on the nut and turn it without scraping your knuckles.
The longer the handle the greater the leverage.
One that fits the bolt very securely, preferably a 'box' wrench, that fits every'flat' and has a long handle to apply maximum pressure to it.
Because the long handle allows more leverage to be applied to the nut.
Open end wrench, box wrench, gear wrench.
The socket wrench is one among the system of wrenches that departs the wrench handle from the wrench that engages the fastener. Whereas, the torque wrench are the torque indicating socket wrench handle. When it is used properly, that could help you calculate the torque amount while fastening using the wrench. It also limits the amount of torque which is applied on material.
Adjustable Wrench , open end wrench , box wrench, socket wrench, monkey wrench
An Allen wrench is a hex head wrench - a screwdriver with a handle and hexagonal head at right angles to each other.
The purpose of the box wrench is to have a flat of the wrench on each flat of the nut, thus giving more turning effort. - I always use box wrenches on old, rusted or stubborn nuts.
Yes, a torque wrench is a precision instrument (or tool). -If damaged or even slightly bent it may give incorrect readings. It should always be kept in a separate case or box, nut just flung in a toolbox with over heavy tools (as I sometimes see)
take your spy phone and click on the flashing light click on the wrench put the wrench on the box
No, a strap wrench is NOT a precision instrument. It is a loose strap connected to a handle for leverage.