Description Reviews Q&A JD 4620 FLOOR MAT Industrial grade, heavy-weight material Multi-layered: 5/16-3/8” rubberized closed cell foam base, PVC sound-deadening barrier, 1/8” textured rubber top. Total thickness 3/8"-1/2" variance from vendor specs. Mat is precut to fit. Optional cutouts may be marked for additional options for user to cut as needed. Minimal trimming may be necessary. FITS: 4620