Cobra OPTM Driver Seriesustom club builds ship in 7 10 business days. The OPTM LS Driver is built for players seeking maximum speed and precision in a compact, low spin design. By optimizing MOI (Moment of Inertia) while delivering the lowest possible POI (Products of Inertia), Cobra engineers have created our most accurate LS model ever. The result is low spin performance with greater stability and tighter dispersion. The OPTM X Driver delivers a balance of speed, accuracy,