If the number of jurors to be sworn in a case is not stated in the claim, the number to be sworn shall be twelve, but the accused may stipulate for a jury of six, provided in such case the number of pre-emptory challenges shall be limited to two on each side.
Number of jurors - peremptory challenges
Ohio Rev. Code Ann. § 2938.06, under Chapter 2938 | Trial - Magistrate Courts.
Ohio Rev. Code Ann. § 2938.06