Vertex Vent Climbing Helmet Batteries Chargers & Accessories Oval section aluminium alloy pole with Oval section aluminium alloy pole with rubber lower grip & bumper: Increased rigidity STIHL auger bits allow you to select the ideal size for the job—whether installing posts so you can add the Petzl Vizir or another compatible visor of your choice Model Visor Best For Vertex Vent (this helmet) None — add your own Buyers who want a specific visor brand or none at all Vertex Vent Hi Vis None — add your own Roadside or low visibility site work Vertex Vent Mesh Visor Chainsaw Helmet Mesh visor included Chainsaw work needing maximum airflow through the visor Vertex Vent Vizir Chainsaw Helmet Clear polycarbonate visor included Chainsaw work prioritising clear