【 Nonslip Locking Design 】 Knurled locking ring for easy manual tightening . Adjustable jaws firmly hold the tap in place , avoiding slippage and displacement , and ensuring operational stability and machining precision 【 Multiple Tool Compatibility 】 The tap extractor socket is compatible with 3/8"(9.5mm) square drive hand tools . Paired with the included 3/8"(9.5mm) hex adapter rod , it can directly connect to electric drills . Ideal for both professionals and DIY enthusiasts 【 Wide Compatibility Range 】 The tap holder socket features adjustable jaws covering sizes from #6 to 1/2" (3mm-12mm) . It fits most taps and extractors , No need to swap sockets repeatedly , significantly boosting your work efficiency 【 Narrow Space Solution 】 The tap socket is engineered for confined areas where T handle tap wrenches can't reach . It easily accesses tight spaces , solving the tapping and tap extraction tasks in confined environments 【 Chrome Molybdenum Steel 】 The adjustable tap socket is crafted from chrome molybdenum steel , boasting high hardness , wear resistance and heat resistance . Impact resistant and deformation resistant , it is built to withstand long term use in professional working conditions, Manufacturer: PATNFR