Wattson's Classic Fuzz FY-2 is a tone-accurate reproduction of the searing and amazing Shin-ei FY-2. As with every Wattson pedal, it's built using the best of the best. It's housed in a rugged 16 gauge steel chassis with a few modern touches like a 9V DC power jack, and a convenient battery drawer. 

The only downside to the original FY-2 was a severe volume drop when the effect circuit was engaged but Wattson fixed that right-quick by adding a clean boost stage after the fuzz circuit (you can turn off this clean boost via a switch on the internal circuit board for those who might be replacing a vintage Shin-ei FY-2 on their gigging pedal board). The comes with the boost engaged, since this is how most people will prefer to use it