Wide Application- The 70500 tap socket set fits all number and fractional M. C. T. I. standard taps thru 1/2inch. Also fits 1/8inch NPT taps and metric taps thru 12mm manufactured to M. C. T. I. standards. It typically accommodates most common tap sizes, providing a wide range of applications Work with Extension- These sockets allow users to tap threads in tight or hard-to-reach areas. Used with a standard ratchet, T-handle, or extension, making the set highly compatible with a range of tools Sturdy Construction- Made Of Heat Treated Alloy Steel, the 70500 socket set ensures durability and wear resistance. Provide a secure grip with tap, ensuring proper torque transfer and preventing slipping during use Ease of Use- Allow for easy installation and removal of threaded fasteners. Just simply insert needed tools into the socket. All sockets contained on a holder, which are easier to storage and select the appropriate socket for a specific task Package Include- 70520 Socket#1, 70540 Socket#2, 70560 Socket#3, 70580 Socket#4, 70600 Socket#5, 70620 Socket#6, 70640 Socket#7, 70660 Socket#8, a holder Color: Black Material: Alloy Steel Package Contents: 1 set * 70500 Tap Socket Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.