11506 Size: #8/32 Features: -Threaded rod. -Finish: Brass. Size: -1/4"/5/16"/3/8". Product Type: -Driver Bits. Generic Dimensions: -#8/32: 12" H x 0.25" W x 0.25" D, 0.01 lbs. -#10/24: 12" H x 0.25" W x 0.25" D, 0.07 lbs. -1/4"/20: 12" H x 0.25" W x 0.25" D, 0.13 lbs. -5/16"/18: 12" H x 0.25" W x 0.25" D, 0.21 lbs.