This polished nail is machined out of grade 2 titanium and designed to rest in the top 14mm joint of a dome set. This new V2 edition features 3 resting blades and a larger nail head without the castle ridges. The counterweight fits inside the 14mm joint to stabilize the nail, and the blades feature a small ridge to keep the nail centered. The nail measures 1.5" long and the nail head is just under .5" in diameter. All Highly Educated products are made in the USA.