1. Expansion Size: 2300*750*900mm 2. Weight: 16KG 3. Thickness of steel tube: 1.2mm 4. Function: Lead up, parallel bars 5. Maximum load-bearing capacity: 150 kg 6. Stretch the base forward and backward, and the double stabilization center is more stable. 7. Coarsening steel pipe, load-bearing is safer 8. Comfortable anti-skid grip, more comfortable exercise 9. The height of six gears is adjustable and easy to use.