Metric Casing 74mm Casing Tube, 3m/B-76 Ext. Pipe, 3m 74mm Casing Tube, 1.5m/B-76 Ext. Pipe, 1.5m 74mm Casing Tube, 1m 74mm Casing Tube, 0.5m 84mm Casing Tube, 3m/B-86 Ext. Pipe, 3m 84mm Casing Tube, 1.5m/B-86 Ext. Pipe, 1.5m 84mm Casing Tube, 1m 84mm Casing Tube, 0.5m 98mm Casing Tube, 3m/B-101 Ext. Pipe, 3m 98mm Casing Tube, 1.5m/B-101 Ext. Pipe, 1.5m 98mm Casing Tube, 1m 98mm Casing Tube, 0.5m 113mm Casing Tube, 3m/B-116 Ext. Pipe, 3m 113mm Casing Tube, 1.5m/B-116 Ext. Pipe, 1.5m 113mm Casing Tube, 1m 113mm Casing Tube, 0.5m 128mm Casing Tube, 3m/B-131 Ext. Pipe, 3m 128mm Casing Tube, 1.5m/B-131 Ext. Pipe, 1.5m 128mm Casing Tube, 1m 128mm Casing Tube, 0.5m 143mm Casing Tube, 3m/B-146 Ext. Pipe, 3m 143mm Casing Tube, 1.5m/B-146 Ext. Pipe, 1.5m 143mm Casing Tube, 1m 143mm Casing Tube, 0.5m