The Sirius Adjustable Spanner Wrench in 450mm is the largest in the range, designed for heavy-duty applications where maximum leverage and jaw capacity are required. This size is ideal for tackling large-diameter fittings, industrial pipework, and oversized fasteners where a smaller wrench simply won't provide enough reach or turning force. Constructed from drop-forged and heat-treated carbon steel with heat-treated offset jaws, this wrench is built to withstand rigorous daily use on site or in the workshop. The chrome-plated finish resists corrosion and keeps the tool looking smart throughout its working life. Features and Benefits:Drop-forged and heat-treated carbon steel for maximum strength and longevityHeat-treated offset jaws for a secure grip on large fasteners and fittingsChrome-plated finish for corrosion resistance and ease of cleaningAdjustable jaw accommodates a wide range of fastener sizesExtended length delivers superior leverage for loosening stubborn fi