Armstrong 19-940 3 Piece 3/8-Inch Drive Impact Locking Extension Set
Armstrong Industrial Hand Tools have a heritage of Made in the USA since four brothers founded the company in 1890. This Armstrong brand product is built from premium materials and workmanship ensuring unequalled strength, toughness, and durability. Product Type: 3/8 Drive 3 Pc Locking Impact Extension Set Female Drive Size: 3/8 Male Drive Size: 3/8 Locking: Yes Set Size Range Min: 3 Set Size Range Max: 12 Set Piece Count: 3 Finish: Black Oxide Set Included Storage: Tray ASME Specification: US Federal Specification.