This Kobalt adjustable wrench set includes two pieces with a chrome finish. The wrenches can be adjusted to fit sizes ranging from 8 mm to 19 mm and 5/16" to 3/4" SAE and metric. The wrenches are made of durable Cr-Mo material and are non-ratcheting. The set is lightweight, weighing only 1.5lbs, and comes with a lifetime manufacturer warranty. The Kobalt 5062987 model also features a comfortable grip for easy use. This adjustable wrench set is perfect for any DIY project or professional use.