What it does
Spanners and wrenches turn nuts and bolt heads of suitable sizes.
Try in the lab
Select the correct size and practise tightening a small model assembly.
Before you begin
- Identify the exact model supplied and read its manufacturer instructions.
- Inspect the item, connections and work area with your instructor.
- Match power, accessories and protective equipment to the actual task.
- Record observations and stop if the equipment behaves unexpectedly.















