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 anti‑rust and anti‑corrosion. Precisely polished and high‑brightness metal pedals, non‑fading metal, 1 times heavier than plastic, and more durable. 3. High‑toughness anti‑skid pad design, using high‑toughness soft rubber, stable and non‑slip 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, one‑key 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 Pedal Material: Metal + Plastic Size: Approx. 23 x 7.5 x 6cm/9.06 x 2.95 x 2.36in Interface Size: Approx. 6.35mm/0.25in Wire Length: Approx. 1.9m/2.08yd How to Use: Connect the cable to the interface of the electronic musical instrument to use. Package List: 1 x Sustain Pedal