Apex 6 point 1/4” hex insert drive nutsetters SAE and metric for sheet metal screws, magnetic. Apex male hex drive nutsetters allow nutrunning in all types of applications. Quality design and construction give Apex nutsetters a long service life and durability. Magnetic nutsetters hold the fastener in driving position, even when working straight down. Time-wasting motions are eliminated when starting fasteners or working in hard-to-reach areas. These nutsetters are identified with a M prefix.