Item No.: H45B728

Material:Cr-Mo,

 3/8" Dr.:1/4,5/16(8mm），3/8，10mm,7/16（11mm）12mm，1/2，13mm，9/16（14mm），5/8（16mm），17mm，11/16，3/4（19mm）

1pc straight bar;1pc 1/4" to 3/8" Adaptor

1pc 1/2" to 3/8"Adaptor 1pc 3/8" to 1/4" Adaptor-6.5cm

For using with impact guns;

Simply place socket on damaged or rounded nuts and bolt and turn with impact gun;

The grip on fastener tightens as more torque is applied.