It's useful for locksmith and lock selector to practice unlocking with a transparent lock because they can see clearly that how the pins work when a key is inserted. It's also a nice gift for kids to improve their intelligence and practical ability.

Features:
Transparent Padlock Design: allows you to know the locking mechanism.
Superior Quality: high quality, anti-corrosion for long-term use.
Crystal Cutaway Structure: smooth working condition and durable for repetitive practice.
15PCS Unlocking Tools: give you the option of practicing on different types of locks.
Lightweight and Portable Size: easy to handle and practice anywhere at any time.
The unlocking tool is made of high quality stainless steel, not easy to bend and break.

Specifications:
Color: Silver
Material: Crystal + Stainless Steel
Padlock Size: Approx. 7.8 * 5.1 * 1.4cm / 3.1 * 2 * 0.6in
Padlock Weight: Approx. 116g / 4.1oz
Package Size: Approx. 20.5 * 14 * 3.8cm / 8.1 * 5.5 * 1.5in
Package Weight: Approx. 320g / 11.3oz

Package Lists:
1 * Padlock
1 * PU Bag
2 * Keys
15 * Unlocking Tools