Item Type: Z Axes Tool Setter Material: Alloy steel Battery: 1 x LR44 button battery (shipped without battery) Range: Approx. 5mm/0.2in Reading Resolution: 0.01mm/0.0005in Repetition Precise: 0.01mm/0.0005in Package List 1 x Z Axes Tool Setter 1 x Storage Box 1. The device can be used on the horizontal surface or side when height tolerance value is 0.05mm.2. The bottom of the setter contains a magnet adsorption device, and the bottom screw is used to fix the watch core and dial, which should not be removed at ordinary times. 1CNC TOOL SETTER: This is a high precise hardware tool for correcting and setting Z axes of CNC machine tool, sensitive and precise, the setting height is 500.01mm. 2WIDE RANGE: This Z axes tool setter has a large measuring surface, which can measure tools with a diameter greater than 24mm. 3RELIABLE MATERIAL: Alloy steel material is waterproof, rust and corrosion resistance. Small spring force can avoid breakage of small milling cutter and drill bit. 4CLEAR LCD DISPLAY: LCD screen is more intuitive and convenient for observation and operation, the metric and imperial unit is easy to switch. 5MAGNETIC BOTTOM: The bottom is magnetic design, anti skid, can be fixed on the worktable firmly, not easy to move, improving work efficiency. 6WIDE USAGE: Digital tool setting gauge can be used for height length measurement and correction of metal and non metallic materials, such as plastic, wood, glass, etc.