For all you electronics enthusiasts out there - this crystal oscillator assortment is super handy to have in your workshop! You get 32 pieces total with 7 different frequency values: 332.768Khz, 6Mhz, 8Mhz, 11.0592Mhz, 12Mhz, 16Mhz, and 20Mhz. Each value comes with multiple pieces (2 of each in this case), so you've got backups for your projects. The HC-49S package is standard and works with most breadboards and PCBs. These are essential components for timing circuits, microcontrollers, clocks, and various digital electronics projects. Having this variety means you're prepared for different project requirements without having to order individual crystals each time. The quality is reliable and they're perfect for both beginners learning about electronics and experienced makers working on more complex builds. Keep them organized in your component bins and you'll always have the right frequency crystal when you need it. Seriously, if you do any amount of electronics tinkering, having an assortment like this saves so many trips to the electronics store or waiting for online orders. Great value for the quantity and variety you get!