GIVE YOURSELF A BOOST OVER THE SEEMINGLY IMPOSSIBLE WHILE CLIMBING WITH THE BLACK DIAMOND ETRIER.The Black Diamond Etrier is a five to six step aid ladder to help breach those seemingly impossible stretches in your wall route. Challenges shouldn't kill your vibe. That's why a little help is sometimes needed. FEATURESReinforced steps for ease25 mm (1 in) webbing with reinforced clip-in and ballast pointAvailable in five and six stepsSold individuallyTECH SPECSWeight : 240 g (8.5 oz)Strength : 10 kN (2248 lbf)