Specifications:
1) Post diameter: 89 x 8.5mm
2) Material: aluminum alloy
3) Inner post diameter:70mm

Specifications:
1) Post diameter: 89 x 8.5mm
2) Material: aluminum alloy
3) Inner post diameter: 70mm
4) Have ever been used in 2004 and 2005 Swatch-FIVB Men' Beach Volleyball
World Tour and 2004 and 2005 Swatch-FIVB Women's Beach Volleyball
World Tour. It is an ideal choice for beach volleyball competition..