What is Oscillot made from?

What material is used for the rollers and posts?

Oscillot® is made from several components including the Paddle, Dual Knuckle Post Kit and Bracket (Bracket is an optional extra). The Paddles are made from high quality extruded aluminum that is then powder coated to its final color. The Dual Knuckle Post Kit is made from long lasting, hardwearing acetal plastic that is designed to withstand outdoor weather extremes. The Bracket is made from stainless steel that is then powder coated in a black color finish.