Features: This 7PCS Metric Tap Set from fast speed steel, offering exceptional durability and precisions for creating screw threads on wood, plastic, aluminum, and other soft materials. Featuring seven different size from 3 to 12, this hand screw thread tap set efficiently removes chip while threading, making it essential tool for applications. for professional machinists, enthusiasts, engineers, and repair technicians, this tap set to wide ranges of users threading Tool. Perfectly suited for workshop machining, household repairs, metalworking, and equipment maintenance, this tap set ensures consistent performances across various projects. for manual tap wrenches, this metric Tappings tool set for hand use only, providing precise control and accuracy in every application. Specifications: Materials: Stainless steel Size:7x4x0.8cm/2.76x1.57x0.315inch Package Includes: 7Pcs Metric Tap Set note: Please allow 0-1cm error due to manual measurement. make sure not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!