The BlueSpot Adjustable Wrench is manufactured from drop forged, heat treated carbon steel for strength and durability. The wrench is chrome plated to protect against corrosion and for a high shine finish. An extra-long handle helps tackle especially tough jobs where more torque is required. The jaw design allows a better fit and the knurled wheel makes adjustments easy.This BlueSpot Adjustable Wrench has the following specification: Max. Jaw Capacity: 52mmLength: 450mm (18in)