Malco Stubby Nut Driver Breadcrumb Home / Products / Parts / Tools and Instruments / Hand Tools / Nut Drivers Obsolete - Superseded To HHD3T Loading... Mfg Part #: ND12S Brand: Malco Hex Size (In.): 3/8 Shank Length (In.): 1-1/4 Tool Length (In.): 3-1/4