Malco Standard Nut Driver Breadcrumb Home / Products / Parts / Tools and Instruments / Hand Tools / Nut Drivers Obsolete - Superseded To CHD1 Loading... Mfg Part #: ND8 Brand: Malco Hex Size (In.): 1/4 Shank Length (In.): 3-1/8 Tool Length (In.): 7-1/4