1.The material used is 50#high quality steel,quenched hardness can be very high,to ensure the straightness.And excellent toughness,will not easily break,and then good resistance to ductility,to ensure that the precision will not change due to the size of the tension

2.Automatic precision adjustment system printing machine(the only one in the world),the precision reaches the Japanese JIS grade 1,MID gradeⅠand Chinese national gradeⅠ.

3.Automatic automatic zero-cutting machine(the only one in the world),error control at±0.02mm

4.The ruler hook has a unique precision control patent,error control in±0.02mm

5.The curvature consists of 5 arcs which are the optimal balance point for the best combination of various process parameters

6.With aluminium oxide can normally withstand 4 kg,nylon layer can withstand 12 kg 4.2 adhesion to meet the 100 grid test

7.Corrosion resistance with smoke test,more than 4 hours without rusting.

8.The pulling life of the tape measure,5000 times continuously

9.Spring made of 65Mn spring steel with a soft recovery and a recovery life of 5000 cycles

10.A button on the underside of the tape measure allows the tape measure to be held in place for a short period of time,and when retrieving the tape measure,the speed of retrieval can be slowed down by pressing this button,making it safer to use.

11.Belt clip on the side of the tape measure,with a hand strap underneath to make it easier to carry

12.Length 5m,width 19mm,thickness 0.11mm