Aquaseal FlashRite#Mini MetalRoof PipeFlashing Black 03-20mm 1/2" bypass it provides excellent rigidity

it provides excellent rigidity

Durable Threaded Inserts: Made from high-grade materials

while the clearly marked scale enables easy and reliable readings

Range: 10mm

To know what size the insert should be it refers to the last two digits in the code -  SER 3232 P27 meaning a 27ER insert

Aquaseal FlashRite#Mini MetalRoof PipeFlashing Black 03-20mm 1/2" bypass it provides excellent rigidityAFE0G3 20 FlashRite Roof Flashing Aquaseal FlashRite #Mini Metal Roof Pipe Flashing EPDM Grey 3 20mm is expertly engineered to create a watertight seal around pipe penetrations on metal roofs. Designed to withstand harsh Australian weather conditions, this FlashRite is tailored for 3 20mm pipes and offers UV resistance and temperature stability ranging from 50C ( 58F) to 200C (392F). It is ideal for BAL29 areas and comes with a 20 year warranty,