HEAD Velocity MLT Tennis String is a fantastic string that offers performance players with the highest value possible. This control and power oriented string offers above average spin for other similar multifliaments. With highly flexible core that consists of 1,000 filaments this is also a very arm friendly string that offers above average shock absorption. The outer wrap consists of a unique low-friction coating that boosts spin and also aids the durability of the string. Gauge: 16g (1.30mm) or 17g (1.25mm) Length: 40' / 12.2m Composition: Multifilament core with approx. 1,000 filaments and an out wrap of 30 filaments bonded together with a flexible, low-friction PU resin Color: Natural or Black