Neat and ergonomic it"s simple to operate, smooth in use and its guide mode allows safe rigging to bring up twin followers. * Cleverly and importantly it"s easy to free under load in guide mode in the event of a fall with our built in release slot. * Aimed at adventure climbers, alpinists and guides it works on ultra-modern ropes of 7.7mm and upwards and pays out or catches falls with equal aplomb * Synergy Lite * Closed GateStrength: 21kN * Open Gate Strength: 7kN * Minor Axis Strength: 7kN * Pro Guide Weight: 84g / 2.96oz Synergy Lite: 78g / 2.75oz