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

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

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

7.Inert gas protection

8.Three layers of coating

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

10.Push buckle on the front of the tape measure to hold the tape measure in place for long periods of time

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 25mm,thickness 0.11mm.