"Dave Plowman (News)" wrote:

In article ,
rrh wrote:
Surely a ring spanner of the right size will not mark the nut under
normal amounts of torque? The force will be distributed more evenly
than with an open ended spanner or wrench-plus-material-between-jaws.

Difficult to use a ring spanner where pipes are involved...

Not if you use ones that can be unlatched - aircon specialists use
them a lot.


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