I bought these nut blanks over a year ago now - I used them to make nuts for my telecaster guitars, replacing the original 'plastic bone' nut.
The blanks were nicely oversize and I was able to carve the correct shape using small wood chisels and sandpaper without problem. After cutting the nut slots using a chisel, knife and nail file, I installed and tested them, removed and corrected the slot depth until it was just right. It took about 1 hour and I was very happy with the result.
There were no probems with the quality of the bone material, they have been on my intensively used guitars for over a year, delivering great performance and I expect them to do so for many years to come. Well worth the price asked. Incidentally, it is one of the best modifications I have ever made to my guitars - great for keeping tuning after bending strings, the bone material allows your string to slip along it without biting and I am pretty sure that tone is improved too. Highly recommended if you enjoy diy guitar set ups :)
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