ITEM NAME:Steel Hardened Double Cross Wind Head 100Mm 1/4 with Magnetic Double Head E E3K3 Steel Hardened Double Cross Wind Head 100Mm 1/4 with Magnetic Double Head E E3K3 Features: S2 material hardness up to 52-56HRC Super hardness, high torque, long service life Lot with a strong magnetic oxide of surface phosphate Portable packaging, easy to carry colour: silver Material: steel size: 100mm Package Contents: 1 x Electric drill screw head(10PSC)