Description These are added to a connector of your choice to make a coil down travel hoop. The small push button fits perfectly into the connector for 16mm skinny tubing. The medium push button is perfect for 19mm regular polypro tubing and 20mm MDPE Beginners Hoop tubing. We use a 5mm drill bit for the small push buttons and a 6mm drill bit for the medium push buttons. Size Length “B” Button Dia “D” Button Height “H” Material Width “W” Material Thickness “T” SMALL 24 4.5 5.7 4.7 0.38 MEDIUM 35 5.5 7.0 6.0 0.5
