Originally Posted by 53' Stude
Originally Posted by kstanf150
Originally Posted by QuangTeo
No, they are different. It's an 1'-12, while FL-1A is M22x1.5. And i saw mark " S " on baseplate of FL-1A, is that heavy duty ?
MC FL-1A thread pitch is 3/4-16
It's not M22x1.5 (FL-820 and FL-500)...