Main Features:
● Package including 3 transparent practice padlocks and 7 keys
● Exquisite and fancy kit with acrylic and steel material
● Dimensions: 6.5 x 3.1 x 2cm, 5 x 7 x 2.2cm, 5 x 7.7 x 2.3cm
● Transparent lock case lets you see clearly all parts inside, when lock and unlock, you can watch clearly every part how to work
● When the key inserts into or out of the plug, you can see the pins moving down and up. Let you know how the shear line come out
● Ideal for beginner to study how to open a lock, and know about the structure of a padlock