Suzuki Suspension Castle Nut Socket
4 Pin / 1/2in.Dr Socket
External 43mm / Internal 30.5mm
Pins : 5mm x 6.3mm
Applicable to : V650 / 1000 | DI650 / 1000 | V-Storm
Also Hayabusa / Bking and GSX-R750 / 1000 / 1100