The ashaway powerkill pro racquetball is a 16 130mm gauge string designed with power players in mind who aim mostly for the shot strength the zyex fibres are incorporated to ensure a high level of durability and performance plus to guarantee a higher tension during each shot furthermore the power filament technology pft provides an excellent power boost to your swings and rebounds as well as prevents the loss of tension this multifilament string arrives in a 12m set to warrant one pr