Borrowing a tool can avoid buying something you need once. It works best when both people understand what is being lent and how it should come back. A friendly handover still benefits from a few clear details.
Check that the tool is suitable for the job and that you can use it safely. Borrowing does not remove the need for instructions, training or protective equipment. If the task is outside your ability, finding qualified help may be the better option.
Look at the condition together
Note existing wear, missing accessories and any limitation the owner explains. Do not accept a tool with an unresolved safety defect because you only need it briefly. For powered equipment, use the specified batteries, chargers and attachments rather than improvising a compatible-looking combination.
Agree which consumables are included and what should be replaced. A drill bit, sanding sheet or blade may be part of the loan or something the borrower is expected to supply. Clarifying that early prevents a small expense from becoming an awkward argument.
Set a return condition and date
Ask how the tool should be cleaned and packed. Follow its instructions; do not wash or lubricate a component simply because that seems helpful. Return accessories together so the next user does not discover a missing key or guard.
If the project takes longer or the tool develops a problem, tell the owner promptly. Stop using damaged equipment and do not attempt an unapproved repair to hide what happened.
A short message can hold the agreement: the item, accessories, return date and any agreed consumables. It need not turn a neighbourly favour into a complicated transaction.
The sustainable benefit depends on keeping useful equipment in service and relationships comfortable enough to repeat the arrangement. A clear return routine helps the next borrowing decision feel easy for both people.