RPM Blast 17G Color:Black Durable nylon and metal O-ring

Durable nylon and metal O-ring connection to handles or ankle strap

and compression

which interferes with glycogen production

so you don't have to take them off to use your touchscreen device

Highly resistant to fading

RPM Blast 17G Color:Black Durable nylon and metal O-ringPacked with the latest technologies, this high density co polyester monofilament string offers a totally unique feel and a powerful, ultra high speed response. The octagonal section and cross linked silicone coating allow the strings to quickly return to their original positions and bite the ball better for maximum spin. Composition: Co polyester Octogonal cross section String type: Monofilament