Build a strong lower back with the Impulse Fitness Multi Hyperextension. A strong lower back is essential in stabilising the core and in preventing lower back injuries. Hyper Extensions are ideal to be used after deadlifts for complete exhaustion of the lower back muscles. Full Commercial grade Multi Hyperextension from Impulse Fitness. SPECIFICATION: Brand Impulse Usage Home Use, Commercial Use Condition Brand New Warranty Lifetime - Frame, 2 Years - Rotary bearings, weight stacks, pulleys, guide rods and structural moving parts. 1 Year - Cables, linear bearings and springs, 6 Months - Hand Grips and all other parts, 1 Year - Labour