It includes sizes 1/4"x100mm, 1/4"x50mm, 1/4"x225mm, 3/8"x150mm, 3/8"x75mm, 3/8"x225mm, 1/2"x125mm, 1/2"x50mm, and 1/2"x250mm. 1/2" IMPACT Extension Bars 3pc Long Reach Extension bar Set 1/2" Drive. 7pc 3/8 Impact Spline Socket Bit Set M5-M14 Socket Cr-Mo.
