Features: Suitable for 20-100W high power LED, compatible with 44mm diameter lens! It is a common use of boutique grade DIY reflective glassSpecifications:Angle: 60°/120° Material: aspherical glasses Lens diameter: 44mm Lens height: 19mm Edge thickness: 3mm Edge width: 2mm Light transmittance: 98% Temperature: -30-120° cBracket size Outer diameter: 49.5mm Inner diameter: 40.1mm Mounting hole distance: 46.5mm Collimator size Side length: 26.3mm Mounting hole distance: 32.5mm/6mm Quantity: 1 setNote: Please allow 1-3mm error with manual measurement. Pls make sure you do not mind before you make a bid, due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Content:1pc x Glass Lens1Pc x Reflector1Pc x Fixed Support