This lock picking set and practice lock set are suitable for beginners and professionals who want to improve lock picking skills and who always lose his keys. It's also awonderful gift for kids who are interested in structure and science. Features: Package includes 17 lock picking tools and 4 practice locks to meet your different needs. Visible lock design, allows you to see how the practice locks work. Training lock helps you practice lock picking and improve skills. Made of high quality stainless steel, sturdy and durable to use. Suitable for beginners and professionals, wonderful gifts for kids. Comes with a black storage bag, convenient to carry, keep the picks organized. Each lock is equipped with keys, helps you learn the mechanism behind the lock. Specifications: Material: Stainless Steel + Acrylic Package Size: 28 * 25 * 6cm / 11.0 * 9.8 * 2.4in Package Weight: 486g / 1.07lbs Package List: 17 * Pick 1 * Storage Bag 4 * Practice Lock 8 * Key