This leather working kit is absolutely massive - with 456 pieces, it has everything you need to start leather crafting or expand your existing toolkit. The set includes waxed thread, stamping tools, cutting tools, punching tools, edge skivers, sewing needles, and various other essentials for working with leather. What's really convenient is the included apron and storage roll bag - the apron keeps your clothes clean and has pockets for your most-used tools, while the roll bag keeps everything organized and portable. The 4mm prong punches come in 1, 2, 4, and 6 prong configurations, which cover most stitching needs for projects like wallets, belts, and bags. The quality is solid for the price - the tools feel substantial in your hand, the edges are sharp where they need to be, and the handles are comfortable for extended use. I've used this kit for several projects now, from simple card holders to more complex bags, and it's handled everything well. The double-sided rivets install easily with the included tools, and the various stamping tools let you add decorative elements to your work. For beginners, it's comprehensive enough that you won't need to buy additional tools for basic projects, and for experienced crafters, it's great for having backups or specialized tools you might not already own. The organization system makes finding what you need quick, which is crucial when you're in the middle of a project. For anyone interested in leather work, this kit provides incredible value and quality that will serve you well through countless projects.