Tail cones for reducing base drag on high performance rockets. All PML tail cones are cast in one piece from light weight urethane. They can also be used as a "pass through" reducer for airframes. Each tailcone is 44,5 mm(1.75") long with a 4,8 mm (3/16") shoulder on the large diameter; there is no shoulder on the small diameter
Specs
Large diameter: 54.6 mm – For PT-2.1 or QT-2.1
Small diameter: 29 mm – For PT-1.1 or MMT-1.1
Weight: 45 gr