Attica Automation AV-D100 Series is a rotary dial system designed around 2 concepts: Flat dials and Slotted dials. Within these two designs, there are many combinations of inspection machines that can be customized to fit virtually any inspection application . Built on a solid steel base, this inspection series fits multiple product ranges including washers, stamped parts, O-Rings, Hose Fittings, precision machined parts, and more.