Guitar/Bass
Grover 303N Classic Guitar Machines
Grover 303N Classic Guitar Machines, Machine heads for classical guitar, 3-On-A-Plate configuration: 3 left / 3 right, Open, Engraved base plate, Plastic coated axles, Axle diameter: 10 mm, Axle spacing: 35 mm, Butterfly pearloid knobs, Finish: Nickel
https://www.bizrate.co.uk/guitars_bassguitars/grover-303n-classic-guitar-machines-oid16636096076.html