300-73140 300-73150 300-73150 TCN20-4.8/1.6-PO-X-BK 300-73160 300-73160 TCN20-6.6/2.4-PO-X-BK 300-73170 300-73170 TCN20-9.5/3.2-PO-X-BK 300-73180 300-73180 TCN20-12.7/4.8-PO-X-BK 300-73190