Description Overview Six sets of nsc gill boxes, model gn6, year 1996 Configuration Details One set mixing gill: 2 heads x 1 spindle x 1 can Two sets high-gill: 1 head x 1 spindle x 1 can Two sets autoleveller: 1 head x 2 spindles x 1 can One set bi-coiler: 1 head x 4 spindles x 2 cans