Sealey 1/2" Drive 4 Pin Motorcycle Swingarm Lock Nut Socket 1/2" 42mm

About this tool

The Sealey 1/2" Drive 4 Pin Motorcycle Swingarm Lock Nut Socket with 42mm diameter (Model SMC21) provides an excellent mid-range sizing option for a broad spectrum of motorcycle types. This versatile dimension suits many popular motorcycle models, making it one of the most frequently used sizes in professional workshops and garages. The precision-engineered 4-tooth design ensures positive engagement with castellated locknuts, delivering the secure grip necessary for safe and effective removal. The 1/2" square drive provides substantial torque handling capability, essential when dealing with tight or weather-affected fasteners commonly encountered in swingarm maintenance. This professional-grade tool eliminates the frustration and potential damage associated with using incorrect or improvised solutions. The 42mm socket's utility extends beyond swingarm applications to include certain engine mounting nuts where castellated locknuts are utilised. This versatility makes it an invaluable tool for comprehensive motorcycle servicing and repair work. Features and Benefits: • 42mm diameter for wide motorcycle model compatibility • 4-tooth configuration for reliable castellated locknut engagement • 1/2" square drive for excellent torque transmission • Suitable for diverse motorcycle types and applications • Applicable to engine mounting nut removal • Professional quality for regular workshop use Specifications: Brand: Sealey Nett Weight: 0.115kg External Ø

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.