The 300mm Sealey G Clamp (Model AK6012) is the largest model in the range, offering maximum clamping capacity for the most demanding industrial applications. This heavy-duty clamp is essential for large-scale fabrication, structural steelwork, and projects requiring extreme reach and holding power. With its substantial 300mm opening, this clamp tackles the largest components, widest assemblies, and thickest materials that other clamps simply cannot reach. The forged body construction provides uncompromising strength and rigidity, ensuring stable, secure clamping even under the most demanding conditions. The smooth-acting threaded mechanism delivers controlled pressure application across the full span, whilst the fitted swivel tip continues to protect surfaces from marking. Features and Benefits:300mm capacity provides maximum reach for largest componentsForged construction delivers superior strength for extreme applicationsSmooth threading ensures controlled pressure across wi