This is a metal pedal made by Ibanez in 1983-1984, good sounding and quite rare. If you’re not afraid to lower it’s vintage value you can make it better by few simple changes.
It has low volume (even when maxed) and is getting unclear and fizzy at high gain settings. To fix this I replaced clipping diodes D3, D4, D5, D6 with 3mm red leds and made them switchable so you can take them completely out of the circuit if wanted. With leds it has more volume, plenty of gain and balls, eq is also more powerful. When they’re out of the circuit you get much wider variety of sounds from low to high gain and also volume is increased. I put the switch in the battery compartment so no need to drill any extra holes to the box and if needed you can return the pedal to its stock form. Nice pedal, buy one if you can snatch it cheap!