Hey there! Got a big project coming up? This 375-piece flange bolt and nut assortment is exactly what you need for those tough automotive and industrial jobs. We're talking serious Class 10.9 strength here - that's like Grade 8 in imperial terms, so these babies can handle some real punishment. The kit includes M6-1.0, M8-1.25 coarse thread, plus M10-1.25 and M12-1.25 fine thread sizes, so you've got the right bolt for pretty much any job. What's really cool is these are JIS standard hex flange bolts with zinc clear coating that won't rust up on you, and they come with matching serrated flange nuts that just won't shake loose. No more digging through bins at the hardware store - everything comes organized in this heavy-duty steel compartment tray that measures 13-3/8\\\ wide x 2\\\ high x 9-1/4\\\ deep. It's got 24 separate compartments so you can keep everything sorted and find what you need in seconds. Perfect for your garage, workshop, or job site. Whether you're working on cars, trucks, farm equipment, or industrial machinery, this kit has you covered. The flange design means you don't need separate washers - these bolts spread the load perfectly and won't dig into your materials. Seriously, this is one of those kits you'll wonder how you ever lived without once you start using it. The quality is top-notch, the organization is brilliant, and having all these sizes on hand will save you so many trips to the store. Your future self will thank you when you're in the middle of a repair and actually have the right hardware right there when you need it.