Description 1/2" DRIVE 3" IMPACT EXTENSION BAR ANSI 1/2" DRIVE 5" IMPACT EXTENSION BAR ANSI 1/2" DRIVE 10" IMPACT EXTENSION BAR ANSI 1/2" DRIVE IMPACT UNIVERSAL JOINT (ANSI) 1/2" F - 3/8" M IMPACT ADAPTOR ANSI 1/2" F - 3/4" M IMPACT ADAPTOR (ANSI) 3/8" F - 1/2" M IMPACT ADAPTOR ASNI RETAINING RING 19 x 2.4mm RETAINING RING 20 x 3.5mm RETAINING RING 28 x 3.5mm RETAINING PIN 2.5 x 18mm RETAINING PIN 3 x 20mm RETAINING PIN 3 x 28mm