Button Clips are used for adjusting height. The button locates within a tube and penetrates when the hole is in alignment.
STOCK item. They suit 25.0mm tubing and are zinc plated with a 9.5mm Outside Diameter and 10.0mm high button.
STOCK item. They suit between 12.0mm to 20.0mm Inside Diameter tubing with a 6.3mm Outside Diameter and 8.0mm high button. Zinc plated.