they are correct LOL stage 3 is a kelver full face disc. its a very expensive material. i normally dont even post those up for sale but as of lately ive had alot of people asking about stage 3's. its just that disc costs us alot of $ cause kelver is so expensive.

retail prices are....

stage2-$350
stage3-$495
stage4/5-$395

stage 2 is full face brass plus disc
stage 3 is full face kelver disc
stage 4 is 6 puck ceramic disc
stage 5 is 4 puck ceramic disc


just some FYI's