Material: High Quality Steel;
Pipe Size: Main Pipe: 89mm&3mm;
Front Two Horizontal Pipes: 60mm&2.5mm;
Support Pipe: 60mm&3mm;
Hook Diagonal Pipe:50mm*50mm&2.5mm;
Bottom Junction Pipe:40mm*40mm&2.5mm;
Board: Overall steel cover, steel thickness is 1.8mm.
Function: Strengthen the strength and the flexibility of the abdominal muscles and back muscles.
Usage: Lying in the board, hooking the bar by your feet, hand cross Behind your head, take a deep breath and then do sit up exercise.