Buy energy-saving lamps for the following pieces of a plastic tube. Full spiral lamp tube diameter 7mm diameter 44mm center outsourcing from the 32mm 2. Semi-spiral tube diameter of 59mm diameter, 7mm tube outsourcing center distance 32mm 3. Semi-7mm diameter spiral tube lights tube diameter 59mm center outsourcing from 29mm 4. semi-spiral tube diameter of 44.5mm diameter, 7mm tube outsourcing center distance 25mm 5. semi-spiral tube diameter 34.5mm diameter, 7mm tube outsourcing center distance 20mm