Look, I get it... you are a manly sort of man and you don't believe in being nice to screws. Stuff happens when you get a little too frisky with your hamfists and sausage fingers and.... well, stuff breaks. This replacement pack is for three (3) of the screws needed to attach any of the clamp/compression blocks to your barrel. Shipping included but to keep costs down it will ship by itself with a normal stamp or it will be inserted into the pack of a larger order.