The Nailers won the NPL Midlands Division play-offs to earn promotion to Step 3.
Black told the club’s official website: " Thank you to Ian Woodward (Chairman) and the directors for backing me since I first came to the club and now continuing to do the same.
"I will continue to work hard to keep the club progressing and to repay the faith that the club has in me."
He is now committed to the club until at least the end of the 2023/24 season.
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