詳細規格及用途描述

Material : Zinc alloy cylinder with Brass key
Finish : Special dust chrome plated cylinder
with nickel plated key
Mechanism : Unique 12 dimple pin patented cylinder
with 12 pin dimple key mechanism system ;
KA, KD available.
Feature : Patented pin tumbler mechanism;
Against picking and drilling
Application : high security cylinder applied for safty box