Spa light bracket for T10 socketed, 912 compatible light bulb

I lost the original bracket that held the type 912 peanut bulb for my hot tub. It would connect to a T10 style socket that was held against an approximately 6CM window so it could illuminate my pasty legs when I was sitting in the hot tub, and somehow... I lost it. I know, it seems like an unlikely sequence of events but here we are. For a few days, I left the new LED bulb I'd purchased resting in the opening, but I knew it was just a matter of time before I'd have to dig into the guts of th