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.
15 years with the Mercurial R9 - The original faces off with the heir
Nike Mercurial FG 1998 R9
Nike Mercurial R9 Ronaldo Soccer Cleats Shoes Size 2 Y Vintage Retro 1998 style | eBay