4-Tooth socket specially designed to remove castellated locknuts found on motorcycle swingarms. Also suitable for some engine mounting nuts.4-Pin 50mm 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. SMC22Model No: SMC22:Brand: Sealey:Nett Weight: 0.190kg:External Ø: 50mm:Internal Ø: 40mm:Internal Socket Depth: 6mm:Number of Pins: 4:Pin Width: 4.5mm:Pin Depth: 5mm:Drive Type: 1/2Sq Drive:PTDSEASMC22