James de Wulf has worked for over fifteen years with gravity joints inspired by the work of Angelo Mangiarotti. With concrete as a medium, he has been able to expand on what Mangiarotti started. The top and base lock together with gravity alone. There is no hidden attachment or support.Available in 2 sizes, 48" and 60". Color options include: Light grey, natural, dark grey, black and creamy whitePremium colorsJames de Wulf has been widely recognized for his original and innovative work with concrete design and rapidly became known for his ability to fuse advanced concrete technology with aesthetic, modern, and natural concrete forms to constitute functional art.