Heavy-duty, solid top bench provides a sturdy and comfortable growning fixture. Top is Type 304 stainless steel. Adjustable stainless steel foot plates allow floor mounting. Floor mounting required for 9" and 12" wide benches. All benches are 18" (457mm) tall. Unit is non-conductive, but can be made conductive with the addition of HD Aluminum Split Sleeves (9986HZ).