8551BK MediatorCPM S90V Blade Black G10 Handle Reversible Tip Up Clip A tactical knife doesn't always need to be overbuilt to serve its purpose. Taking the best from some of our favorite legacy designs, the new 8551BK Mediator is Benchmade's latest push button automatic. With milled chevron pattern G10 handles and a CPM S90V reverse tanto blade, the Mediator is a sleek switchblade with lightning fast action.