Toms Line AT-07 Mini Pedal Tuner Elixir it has four Alnico 2

it has four Alnico 2 rod magnets for that traditional sound

For added versatility

and features that have made it the go-to guitar for two generations of artists including Paul McCartney

Foam blocks allow room for fan ventilation on bottom of board

Heavy duty

Toms Line AT-07 Mini Pedal Tuner Elixir it has four Alnico 2Chromatic Tuner Adjustable A from 420 450Hz Flat tuning from one to four flats Tuning Tolerance: + 0. 5cent True bypass Smart stop bar design stops you from accidentally hitting any controls when turning the pedal on off Aluminium case High quality components Power input: 9v Power consumption: less than 20mA Power adapter type (not included): Centre negative Slip resistant bottom Compliant with RoHS, FCC, CE, etc Dimensions: 92x38x32mm Weight: 133g