The Sealey 1/2" Drive 4 Pin Motorcycle Swingarm Lock Nut Socket with 43mm diameter (Model SMC19) offers versatile sizing suitable for a wide range of mid-sized motorcycles. This dimension is commonly found on sport bikes, standard motorcycles, and many popular models, making it an essential addition to any motorcycle workshop or enthusiast's toolkit. The precision 4-tooth design ensures reliable engagement with castellated locknuts, providing the control and grip necessary for safe removal without damaging the fastener's slots. The 1/2" square drive delivers excellent torque handling, particularly important when breaking free locknuts that may have been in place for extended periods or exposed to the elements. This 43mm socket's versatility extends to engine mounting nuts where castellated designs are utilised, making it a valuable tool for comprehensive motorcycle maintenance. The professional construction ensures long-lasting performance even under regular workshop conditions. Features and Benefits: • 43mm diameter for mid-sized motorcycle applications • 4-tooth configuration for positive castellated locknut engagement • 1/2" square drive for standard ratchet compatibility • Suitable for sport bikes and standard motorcycles • Applicable to engine mounting nut removal • Durable construction for professional use Specifications: Brand: Sealey Nett Weight: 0.200kg External Ø: 43mm Internal Ø: 33.5mm Internal Socket Depth: 17.5mm Number of Pins: 4 Pin Width: 7mm Pin Depth: 5.6mm Drive Type: 1/2"Sq