The Stanley MaxSteel adjustable wrenches have a narrow head design for limited space applications and Laser-marked SAE and metric jaw scale for easy fastener size. The forged alloy-steel body increases strength and the extra wide jaw capacity opens wider than standard adjustable wrenches. They have a bi-material handle for a comfortable grip. Ideal for automotive maintenance and repair, plumbing and general assembly tasks.Stanley STA090950 Adjustable Wrench 300mm. Size: 300mm (12 in).Jaw capacity: 39mm.Additional Information:Length (mm): 300Capacity (mm): 39Length (in): 12