May circumcision tools that could have been prepared before Shabbat be brought or prepared on Shabbat itself?

ShabbatMilah

Synopsis

Tools for circumcision that could have been prepared before Shabbat do not override Shabbat, even if failing to bring them will prevent the bris. Rabbinic enactments stand even where karet is the penalty for the missed mitzvah. Asking a non-Jew may be permitted for rabbinic-level prohibitions.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

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