42mm Motorcycle Swingarm Castellated Locknut Socket - 4 Pin / Tooth 1/2" Drive Overview: 4-Tooth socket, specially designed to remove castellated locknuts found on motorcycle swingarms. Also suitable for some engine mounting nuts. Features: 4-Tooth socket, specially designed to remove castellated locknuts found on motorcycle swingarms. Also suitable for some engine mounting nuts. Specification: Net Weight - 0.115kg External Ø - 42mm Internal Ø - 31.8mm (5mm depth), 26.75mm (16mm depth) Internal Socket Depth - 16mm Number of Pins - 4 Pin Width - 5mm Pin Depth - 7.5mm Drive Type - 1/2"Sq Further Information: We sell a wide variety of tools & workshop equipment for both the DIY and Professional markets. With well over 10,000 lines of equipment suiting all jobs big or small, our online store has it all. If you can’t quite find what you are looking for, please feel free to contact us and we’ll be more than happy to help. Alias: ys08933