The BG66UM has a 0.65mm thin gauge and the perfect balance of maximum speed, control, and durability, making it the best choice for the world's top players.
Gauge : 0.65 mm
Length : 10 m (33 ft) / 200 m (656 ft)
Core : High-Intensity Nylon Multifilament
Outer : Special Braided High Polymer Nylon
Made In : Japan