Material:Alloy Style:Doulbe pedal Size:15.354x 8.268 x 10.630(LWH) Package Weight:About 4.7KG/10.362 LB double foot pedal adopts a thick double chain, a wider bottom plate, a longer pedal, and an overweight design, which is stronger and more stable than the single chain pedal on Amazon Adjustable angle cotton felt hammer, made of high-density felt and metal rod. Easily bring you a full, powerful, rhythmic sound Adjustable angle spring tension system, you can adjust the tension through the spring to suit your playing style. The width between both bass pedals can adjust to 12.5inch-21inch. The metal pedal has a non-slip design, which is smoother and more natural. Reliable professional drum training design. Suitable for more drummers, jazz drums and electronic drum lovers to practice drum pedals. We will reply to you within 24 hours and will do our best to serve you. We are permanently responsible for our bass pedal.