This Workpro socket wrench set includes 39 pieces with a 1/4 inch and 3/8 inch size range. The silver-colored set is made of chrome vanadium steel and steel, with a reversible feature and chrome plated finish. The set is perfect for home and garden DIY projects, as well as for use in a workshop. The item length is 10 inches, item height is 2 inches, and item width is 5.7 inches, with an item weight of 3.06 pounds. The set is a great addition to any tool collection, and is suitable for both metric and standard measurements.