Pearl Ultra-Sound snare cables feature patented "Graduated Tension" cables for extended dynamic range from ultra-soft to ultra-hard. Ultra-thin and lightweight tips ensure fast response. These plates have three installation options: tunnels or holes to install them with a cord (included) and a strap socket. They are D-shaped phosphor bronze plates that offer higher tension in the center for greater sensitivity in the center. Ideal for classical music and woodwind snare drums. It fits 14" drums and has 20 metal threads.