From the manufacturer
XENO TWSE helps to soften light for camping, reading, writing, as emergency light, signal light, tent light. tec. It fits XENO E03 or any flashlight which has ?21.5mm Diameter Bezels
Specification:
Model No.:XENO TWSE
Material: : Quality high translucent high dense and high strength POM ( Polyoxy Methylene Resin)
Color: Milk white (Original color of POM)
N.W.: 13g
Hight: 82.3mm Interior Diameter of mounting hole: appr.21.6mm