The bottom width is about 56-57mm. Closer to 56mm. The nut width is about 42mm. Tuner hole 10mm. the truss rod is working properly, and the scale length is 25.5 inches. The fingerboard radius is 12 inches.Nice neck. I'm sure you'll like it. It's on sale now, thank you! The neck on this batch of guitars is gorgeous. Sell at wholesale prices. Many suppliers get their products from my factory, so my prices are cheaper. Thank you. If you believe me, just buy once. I'm sure you'll like it, and I'm sure you'll be a repeat buyer. Because my guitar neck is a tough quality product. I hope we can cooperate with each other. thank you I have a lot of stock, I will send it as soon as you pay