Professional T-Handle Hex Wrench set made with ProTanium high toque steel; the most durable steel available worldwide. 20% stronger than standard steels used by other brands. If you want the best Trust Bondhus Made in USA! View ALL Our Hex Tools HERE! All Our Tools MADE IN USA! SAE (10pc): 3/32, 7/16, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8in. Metric (8pc): 2, 2.5, 3, 4, 5, 6, 8, 10mm. Graduated Lengths: Approximately 6-12in. ProTanium High Torque Steel. 20% longer life than standard high torque steels. ProGaurd corrosion resistant finish. Precision sizes guaranteed. To protect your investment small sizes are not ball end. Includes Vinyl Case & Stands.