If a wrench handle is too short, what should not be used to lengthen it?

Using a pipe to lengthen a wrench handle is not advisable because it can create significant safety hazards. The extended leverage can lead to over-torquing fasteners, which might cause damage to the fastener or the tool itself. Moreover, the added length may provide an unstable grip, increasing the risk of losing control during use.

While some individuals might consider using a pipe or similar object to increase leverage, proper tools should always be used for safety and effectiveness. Wrenches are specifically designed for certain torque levels, and modifying them with inappropriate materials can compromise their integrity and lead to accidents. It is essential to always use tools as intended and to select a wrench that is appropriately sized for the task at hand.