← All Artists Ernie Ball Artist GRIEVES Gear Used Strings 01 Power Slinky Cobalt Electric Guitar Strings 11-48 Gauge View product › 02 Power Slinky Cobalt Flatwound Electric Bass Strings 55-110 Gauge View product › GRIEVES plays Ernie Ball Power Slinky Cobalt Electric Guitar Strings 11-48 Gauge. ← All Ernie Ball Artists