The Tork Craft TC52004 Adjustable Shifting Spanner is a versatile 4″ (100mm) wrench designed for multiple fastener sizes. With a jaw capacity of 0-12.8mm, this spanner features a smooth thumbwheel adjustment for quick sizing and a high-carbon steel construction for durability. The chrome-plated finish resists corrosion, while the ergonomic handle provides a comfortable, non-slip grip. Perfect for plumbing, automotive repairs, and general maintenance, this adjustable wrench offers precise control with its knurled jaw surface that prevents fastener rounding. Its compact 100mm size makes it ideal for tight spaces and mobile toolkits.