The roller parts will help keep your guitar in tune better when bending strings or using a vibrato system.
specifications
bridge
diameter anchor: 12mm
length anchor: 20mm
thread studs: M8
diameter studhole in bridge: 6mm
spacing studs: 74,0mm
stringspacing E-e: 52mm
radius: 15"
wire retainer: no
saddles notched: n.a.
finish: black
