... %(100~200PSI) Specifications(Tread Depth Gauge) Range: 0~20mm/0.8" Resolution: 0.01mm/0.0005" Power: 3 PCS AAA batteries ... Holder, Collects, Chucks, Drill Chucks, Milling Arbors, Sleeves, Vises, Working Tables, etc (3) Cutting Tools------including Drills, End Mills, Milling Cutters ...