The Kahuna Trainer is a machine for those who seek the most optimized and heavy-duty machine money can buy. This is the only machine in copyright featuring 790lbs + of cast iron weight stacks, built-in pec fly with an adjustable seat, and 3.15" x 3.15" steel uprights that can withstand any punishment thrown its way. The Kahuna Difference: 11 Gauge 3.15" x 3.15" Commercial Steel ... https://befitnow.ca/products/the-kahuna?variant=44954799505508