Feature: An 18 / 450mm tools adjustable spanner/wrench. Manufactured from drop forged, heat treated steel. Suitable for heavy duty uses such as in the workshop, industrial engineering, farm, rail yards and ship yards. A quality tool, built to last. Specifications: - Strong Drop Forged Steel - Size: 18 (450mm) - Jaw opening: 42mm - Soft Grip Handle (Double PVC Dipped)