I have been looking at diodes from High tech and he states that he presses the blue ray diodes in the Aixiz housing so that they can be checked before shipped. He also recommends using the Sure housing as it allows you to focus it to infinity because it screws in further. I conversed with him and he said that he would press diode in Sure housing upon request. I got both housings and the Sure has a shorter rear cap but since the Aixiz screws right on there is no worries about using a rock star driver or something comparable. Though i have not tried it with a working diode, but you may just be able to use the focusing lense out of the Sure in the Aixiz as they have the same thread and look so very close in depth.