Daniel,

Here is the response I got from Snap On:

KR1000 USES 8-588R & L ON ALL EXCEPT BOTTOM WIDE DRAWER , SUPERCEDED BY 8-05788ALRS KR1000 USES 8-688 ON BOTTOM WIDE DRAWERS ONLY , SUPERCEDED BY 8-688S

Notice that the bottom wide drawer has a different P... Login to read more.