Description: 【High Quality Material】Made of high strength Cr-Mo steel with high hardness, these lug nut removal sockets are more sturdy and durable. 【Bolt Extractor Socket Set】This is 14 pieces nut remover set that can be used with 3/8" square drive wrench, ratchet, or breaker bar for removing damaged, frozen, rusted, rounded-off bolts, nuts & screws. 【Compatibility】Standard 3/8-inch drive and 1/4-inch hex drive to 3/8-inch drive adapter to let the extractors compatible with common or heavy-duty power tools, drivers and screwdrivers handle tools. 【Spiral Design】The 6-point spiral socket design allows a secure connection to the rounded-off fastener to be extracted. .