High Quality Computer Security Key Lock for Notebook / Laptop and Computers

1. 材料 :
   锁头 : 锌合金 ( with 精密铸造 way )
   ( Precision casting can increase the hardness of 锌合金 and not easy to be broken ) 
   缆线: 聚氯乙烯图层电缆线
2. 尺寸大小 : 
   缆线: 5 mm x 180 cm