Shock absorber mooring operation to elastometri. The only one capable of absorbing loads to be very high due to its components of high technology such as stainless steel HR and the elastometri special. Stainless steel HR resistance 120-140 kg./mm2. Components of end-of-stroke and spacers, nylon special. Elastomers with exceptional properties from -40°C to +120°C and with resistance to more than 400,000 cycles at the end of the race. Spring Ø mm. 80, length mm. 430, stroke mm. 120, for boats up to 9/13 ton., breaking load kg. 15000 working load kg. 7000, weight of the spring 2.4 kg.