The Double Surf Board is a common piece of outdoor exercise equipment from Meerut Gym and Gymnastic Works that is designed to strengthen arm muscles and stretch the oblique. Norm for the European Union Outdoor exercise equipment that is permanently mounted. To protect against weather disruption, an epoxy coating of at least 100 microns is applied. Main post is galvanised and has a diameter of 114 mm. Tube thickness ranges from 3.5 mm to 5.5 mm. German bearing that is self-lubricating and needs no repair. Foot pedals have been reinforced for longer life. For stability and ease of mounting, a J hook device with an 18 mm thickness was used for grouting. Non-faded All plastic components made of virgin LLDPE are UV resistant in this Marino product.