General description QBH Output Connector Protection Window is designed for use with Fiber Laser Sources, specifically for Raycus and Reci MAX GW Laser Cutting Heads. This protective window lens group ensures optimal performance and durability during laser cutting operations. Technical specifications Dimensions: D12.9-H9.4mm Material: Quartz Color: Gold Measurement allowed error: +/- 1-3cm Package contents 1 * Fiber optic cutting machine protection window Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.