Luxilon Big Banger ALU Power Rough 16L 330 : Textured Synthetics. Designed for players who want more durability with power and control, the Big Banger ALU Power Rough gives you textured strings for that extra bite on the ball for superior spin potential. If youre looking for increased spin potential, ALU Power Rough combines the spin enhancing attributes of polyester with a dented" texture so you can achieve maximum spin without sacrificing durability. It is recommended by Luxilon that you string big Banger strings at least with 10% less tension than your usual strings.