The Triple Twister is a close relative to the Sitting Rotator, providing similar advantages in terms of extending the internal and external obliques and putting more pressure on the abdominal and spinal extensor muscles. This Meerut Gym and Gymnastic Works product helps in strengthening the timber and pelvic muscles, increasing the stability and mobility. Permanently designed outdoor exercise facilities would meet European standards. At least 100 microns of epoxy coating is applied to this Marino product to protect against weather disruption. Main post is thick galvanised and has a diameter of 114 mm; pipe thickness ranges from 3.5 to 5.5 mm. Self-lubricating German bearing for maintenance-free operation. Reinforced foot pedals for longer life. J hook framework for grouting with an 18 mm thickness for stability and ease of installation.