Usage Tips:[Great For Tight Spots] These are a great addition to any toolbox if you ever use taps. These tap socket sets are for tapping holes in hard-to-reach places and where you want to take advantage of the conveniences of using your 3/8inch socket set's ratchet handle. [Excellent Compatibility] The tap extraction socket set themselves are compact and can easily find a place in your specialty tool drawer. There are two of them, both 3/8 drive, compatible with a wide range of taps, covering sizes from #6 to 1/2inch (3mm to 12mm). Which accommodates a wide variety of tap and extractor sizes. Offering greater flexibility and convenience. [ and Rugged] Ever tried to use a tap handle in tight quarters, under the hood of a car for example? It can be a real pain in the patootie. Just makes no sense, which leaves one struggling with small wrenches, pliers, or a tap with no handle, etc. What it also does is impossible for the average guy or gal to use a bulky tap handle. [Versatile Usage] As you can imagine, this opens up a whole way of thread , tapping, and even extracting. Battery and air-powered tools, universal joints, extensions, regular ratchets, and so forth now easily mate to your family of taps and extractors. Please note:There is a slight color difference or difference in kind, the colors in some places are random and cannot be specified, it does not affect the use, please do not mind, thank you! Colour:Black Material:steel Package Contents: 2 * tap extraction socket 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.