Plastic Thumb screws M6 or M8 in PVC 20 and 25 mm in diameter

Custom Spacers,  for that awkward and annoying gap that sometimes occurs when installing down pipes, sewer pipes, hoppers etc.

• 5 mm central hole
•  Presently In white, Black & Dark Grey
• Can avoid using double elbows top and bottom to match the pipework in.
•  When installed with spacers < 15 mm allows a gap for a paint roller.

• Diameter 20 mm