The RIDGID R7000 corded drill carrying case (part number 300912001) is specifically designed to fit the R7000 3/8" electric drill. According to eReplacementParts, this case is officially compatible only with that model.
THis might work for other RIDGID drills, such as the R7001 or R70011, if they have similar dimensions,
If you're considering using the R7000 case for a different RIDGID drill model, it's advisable to:
Compare Dimensions: Measure your drill and compare it to the known dimensions of the R7000 to assess potential fit.