PROFESSIONAL ADJUSTMENT TOOL TO BRING TRIMMER BLADES TO ZERO. WAHL HAS PRODUCED THE BLADE ADJUSTMENT TOOL REQUESTED BY BARBERS, CAPABLE OF EASILY BRINGING T-BLADES OF TRIMMER HAIRCUTTERS TO ZERO. THE PRO-SET TOOL FITS THE T-BLADE OF THE MODELS: 5 STAR DETAILER RETRO T-CUT CORDLESS DETAILER LI