说明

• Full steel shell, IP54 secure high-speed chip, the ruler slides easily and feels joyful within the hand The ruler physique is precision floor and the measuring floor is floor The parallel error of each side of the ruler body is ≤0 4CR13 chrome steel material, high hardness and corrosion resistance Material hardness can attain above HRC55 The scale adopts laser engraving, the size is clear, and the engraving is laser engraving 4 times, so the engraving won't ever wear out

• 
• 
• 
• 
• 

审核