A very good tool. I needed a nail hammer on a 5 inch 12 pitch roof, backing, plastic and metal caps work and match the manufacturer. Requirements - I used a smooth HD head and 9 times out of 10 the nail would either bend or fly out - it had to be hit perfectly to drive the ring shank nails. I used to use milled hammers but they wear out over the years - I got fed up with this problem and ordered a better named hammer and a milled hammer - I like the lighter weight, 15 ounces and the milled finish made all the difference. I could hammer these nails with ease. That milled face can wear out, but time and work more than make up for it. I found it didn't matter hitting the lid a little off center, job well done, THANKS