Board Lens Holder, made of RoHS compatible metalized plastics, standard used for M12x0.5mm mount board lenses is to connect the lens to PCB boards. Material of Metalized plastics can reach the new functions of higher temperature resistance and larger holding capacity for vary lenses. Dimensions are not unique, but can be customized in any sizes to match the expected boards or applications. For more information about the lens holders, please contact us anytime.