Hammar - Hydrostatic Release Unit is designed for life rafts from 6 up to 150 persons.Release depth: 1.5-4.0 meters. Breaking strength of white rope sling: min 15kN. Breaking strength of red weak link: 2.2 +/- 0.4 kN. Two year disposable. Weight 166 Grams. Approved Globally: BV, MED, USCG ., Lot of 1