DURATECH 7PC SAE Nut Driver Set 11/32,3/8,3/16,1/4,5/16,7/16,1/2" 1" HollowShaft
Besides, the flange prevents the shaft from rotating inside the handle. Quick Identification: Our nut drivers have clear markings on both the tail and head for quick identification, so you can quickly find the right tool without searching.