Features‎:‎1‎.‎ Lock with open chambers on all the moving parts that allow you to see how it work‎;‎2‎.‎ You can see clearly that how the pins work when a key is inserted‎;‎3‎.‎ It will come out in perfect smooth working condition with no loose parts or pins‎;‎4‎.‎ You actually can see the pins moving up and down as the key slides into and out of the lock‎.‎Specifications‎:‎1‎.‎ Color‎:‎ Transparent2‎.‎ Material‎:‎ Plastic & Metal3‎.‎ Size‎:‎ approx‎.‎ 8 x 5 x 2.4cm ‎(‎L x W x H‎)‎4‎.‎ Net Weight‎:‎ 130gNote‎:‎ Due to the difference between different monitors‎,‎ the picture may not reflect the actual color of the item‎.‎ Thank you‎!‎What‎'‎s in the box‎:‎1 X Cutway Padlock2 X Key9 X Locksmith Crochet Hook1 X L Shape Tool1 X Z Shape Tool