The Klarity Optek™ Overlay Board provides the highest degree of stability for the head, neck, and shoulders. The system is ideal for IMRT and conformal treatments in a 360º arc. Dual-configured for adult and pediatric treatments. The Optek™ board is extremely lightweight, and optional adjustable hand grips assist with shoulder retraction. The Optek™ board is compatible with all S-Type masks and RE-6E and RE-7E Indexing Bars. 105cm (Length) x 61cm (Width).