El 50.
Will fit directly to your 1/2 Blast Hose. Spread nozzle with 3/4 steel concentrator.
A special build HuraKano Nozzle Holder with a ball valve extension handle. 
Preserve your Ball Valve open quickly cause quickly. Never halfways.
Using a ball valve control is fast and easy. When using a ball valve as an off and on control it will last longer if you close it faster and open it completely.
What you see is what you get.
HuraKano Ported Venturi Sleeved Nozzle with a 3/4 steel concentrator.
Steel Ball Valve.
Universal Ball Valve extension handle 
All hardware. As pictured.
No warranty on wear items. Wear items include Nozzles, Nozzle Holders, Fittings, Barbs, Hoses.
Shipping included. Everything wears psi, and media hardness determines longevity. Need guidance see our tip section. Free shipping to your USA address. No outside USA sales.