KORG Synthesizer Digital Piano Damper Pedal. ■ Moderate weight and piano-like metal pedals give you a sense of security. ■Half-damper compatible. ■ Cable integrated Polarity: Negative Dimensions (W x D x H): 9.8 x 2.6 x 2.1 inches (251 x 66 x 53 mm); Weight: 25.1 oz (740 g).