PISTON系列的單點把手是呈圓柱狀的球形旋鈕，由黑色或白色的中心圓柱體構成，並由髮絲鎳環環繞。其形狀的簡單性和精巧的尺寸適用於所有類型的傢俱，尤其是經常使用的輔助型傢俱。

Piston is a cylindrical knob in the shape of a piston made up of a central cylinder in black or white surrounded by a ring in brushed nickel. The simplicity of its shape and its reduced dimensions means it is suitable for all types of furniture, especially auxiliary furniture that is used frequently. Manufactured in zamak and acrylic.