This product has the highest repeat-ability and positioning accuracy up to 0.001mm.The four layer seal design is completely waterproof and oil proof, with simple wire connecting, convenient installation and long service life. It is suitable for all kinds of CNC engraving machines, engraving and milling machines.

Points for attention during use：

 1.Do not exceed the stroke of the Zero Pre-setter when contacting, or it will damage it and the cutter( the stroke is 5.0mm)

 2.Do not let go immediately when tough the contact surface of the Zero Pre-setter with hands, so as not to damage the internal structure of the Zero Pre-setter.

 3.After the contact between the cutter tools and the zero pre-setter, you must lift the cutter tools vertically to leave contact surface, don't move transversely, or it will damage the Zero Pre-setter.