Haw. Rev. Stat. § 612-12: Master jury wheel.

Each year the clerk for each circuit, by random selection, shall place in the master jury wheel the names of prospective jurors taken from the master list, in such number as the clerk determines should be processed in order to provide the number of jurors required for the ensuing year. From time to time an additional number may be determined by the clerk or ordered by the court to be placed in the master jury wheel.