I believe these are the mercurial r9 from 1998. I remember having a pair with the same colorway but without cleats. For indoor soccer I believe but can't find any info online.
Nike Mercurial World Cup football boots from 1998 to 2010
Mercurial Mk1 - The Original R9 - SoccerBible
Nike Mercurial Superfly IV Heritage iD FG Ronaldo R9 Algeria | Ubuy