6 PACK Motorcycle Swingarm Locknut Socket Set - Castellated Nuts - 4 Tooth Bits Overview: 4-Tooth sockets, specially designed to remove castellated locknuts found on motorcycle swingarms. Also suitable for some engine mounting nuts. Supplied in storage case. Features: 4-Tooth sockets, specially designed to remove castellated locknuts found on motorcycle swingarms. Also suitable for some engine mounting nuts. Supplied in storage case. Specification: Net Weight - 1.3kg Inner/Outer Ø(Tooth Width)/Drive - Ø24/30mm(4mm)/19mm Hex, Ø28/37mm(7mm)/1/2"Sq, Ø30.5/43mm(5mm)/1/2"Sq, Ø34/43mm(7mm)/1/2"Sq, Ø41.5/48.5mm(5.5mm)/1/2"Sq, Ø40.5/50mm(4mm)/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.