Nike SQ Machspeed STR8 FIT Ladies Driver Total Swing Aerodynamics. Nike designed the SQ MACHSPEED driver to optimize aerodynamics throughout the swing and to deliver more speed than any previous Nike driver. 460cc Features Speed Distance Comprehensive aerodynamic engineering moves air faster across the sole, over the crown and around the skirt for incremental swing speed advances Square Stability Forgiveness By moving weight out and into the corners, Tour proven square technology delivers more stability at impact and more forgiveness on the tee box. STR8 FIT Adjustability Eight face angle options 2 open to 2 closed make it easier for players to dramatically correct their shot shape. Specs LOFT LIE LEFT HANDED LENGTH SWING WEIGHT 8.5 59.5 deg N 45.75 in D4 9.5 60.5 deg Y 45.75 in D4 10.5 61.5 deg Y 45.75 in D4 Info