Visors slide back 170 mm, improving balance and weight distribution when worn with the Turboshield Hard Hat Adapter for Better Balance. Dual-Hinge Hard Hat Adapter design increases clearance by as much as 100 mm and keeps accessory slots open for compatability with other PPE for Enahance Overhead Clearance. Honeywell Turboshield Hard Hat Adapter compatible with our complete family of Supervizor specialty visors included gold coated, triacetate and acetate for Added Flexibility and Breadth to the range!. Hard Hat accessory is compatible with most major Hard Hats (including North brand) with the exception of full brim hard hats with Wide fit variety to adapt to your current Hard Hat solution