Brand new ratcheting combination wrench set. Professional quality tools by GearWrench Tools. 20-pc set has 10 metric and 10 standard sizes. Ratcheting box end needs as little as 5° to move a fastener. Off-corner loading on the box end for a better grip and reduced fastener rounding. Works on long bolts and threaded rods. Compact head design is great for working in tight spaces. Nickel chrome plated with a mirror finish. Fully hardened alloy steel construction. 12-point ratcheting box end for easy fastener engagement. Metric (mm) sizes: 6mm, 8mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, and 18mm. Standard (sae) sizes: 1/4″, 5/16″, 11/32″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, and 3/4″.