Half price, six-month guarantee, and every mark photographed
How they are graded
Four grades, defined by measurable things rather than adjectives. Grade two means marks visible from a metre; grade three from three metres.
What is done to them
Stripped, cleaned, worn parts replaced, and function tested. The test results are on each listing.
What you give up
The original packaging and about a year of expected life. Not the guarantee, which is six months either way.
