4-digits Portable Computer Security Lock for Notebook, Patent Product

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 : 
   锁头 : 56 x 27 x 15 m/m 
   Curled 缆线 : 3 mm x 180 cm
   Straight 缆线: 4 mm x 180 cm
   
3. Advantage :
   Mini and easy to carry
   Fashion design
   4-digits is stronger than 3-digits
   Precision casting would increase hardness of lock and increase protected ability