Specifications

Ontology is zinc casting,

 outside is plastic shell,

rod is 45 # steel chrome plated.

The N.W of 1 set is 331 g (including rod and key),

rod net weight: 205.2 g, key size: 5.25 * 2 * 0.5 cm, 

rod diameter:1.6 cm * H14cm , lock: 5 * 3 * 4.4 cm