EXTENSION (1/2*5)
An extension 1/2" x 5" refers to a mechanical socket extension tool with a 1/2-inch square drive and an overall length of 5 inches (125 mm). Mathematically, the calculation 1/2 × 5 equals 2.5
An extension 1/2" x 5" refers to a mechanical socket extension tool with a 1/2-inch square drive and an overall length of 5 inches (125 mm). Mathematically, the calculation 1/2 × 5 equals 2.5