Very good quality rivet setters, better than C. S. Osborne too much. This is the best rivet install tool in the world.
The concave recess were hand polish very carefully very smooth, so when you shoot the rivet, the finished effect is very good.
The net weight is 205g
If you need the rivet, you can get here: http://www.leathercraftpattern.com/red-copper-rivet