4-Tooth socket specially designed to remove castellated locknuts found on motorcycle swingarms. Also suitable for some engine mounting nuts.4-Pin 30mm Motorcycle Swingarm Locknut Socket• 4-Tooth socket specially designed to remove castellated locknuts found on motorcycle swingarms.• Also suitable for some engine mounting nuts.• Model No. SMC23Model No: SMC23:Brand: Sealey:Nett Weight: 0.080kg:External Ø: 30mm:Internal Ø: 24mm:Internal Socket Depth: 13mm:Number of Pins: 4:Pin Width: 4mm:Pin Depth: 5mm:Drive Type: 19mm:PTDSEASMC23