LOOP Shaft Bubble Light Shaft Iron the shape and weight are

the shape and weight are the most important two factors

which has about half the specific gravity of soft iron

and less spin

Fujimoto Forged Blade Ash Cooled to Perfection

LOOP Shaft Bubble Light Shaft Iron the shape and weight areLoop Bubble Light Made in JAPAN Bubble Light Tip. REGULAR Mid. REGULAR Butt Stiffness. REGULAR Type of Player who should use it 5R to R flex :: low swing speed, women, senior , who want more distance and maximized swing speed. R to S flex :: prefer light but slightly stiff shafts with maximum swing speed provides. prefer long length driver. Performance concept less toe down shaft movement for better swing and maximum swing speed for low swing speed