Feature:1. This sustain pedal has high compatibility and good chip sustain effect. It is suitable for electronic organs, electric pianos, MIDI keyboards and synthesizers, etc.2. Metal tongue, and antirust and anticorrosion. Precisely polished and highbrightness metal pedals, nonfading metal, 1 times heavier than plastic, and more durable.3. Hightoughness antiskid pad design, using hightoughness soft rubber, stable and nonslip during use, effectively preventing the pedal from sliding.4. Polarity reversal switch, because some brands of current positive and negative poles are opposite, and this pedal is compatible with various brands of musical instruments, onekey conversion, easy to use.5. The tongue is designed to position the stuck column, and the stuck column design is stronger and can withstand more pressure.Specification:Item Type: Sustain PedalMaterial: Metal + PlasticSize: Approx. 23 x 7.5 x 6cm/9.06 x 2.95 x 2.36inInterface Size: Approx. 6.35mm/0.25inWire Length: Approx. 1.9m/2.08ydHow to Use: Connect the cable to the interface of the electronic musical instrument to use..Package List:1 x Sustain Pedal