Water Heater Drain Screw Key

My problem was that I had a water heater drain screw that did not have a proper handle for it.  While draining my water heater in a nearby sink, I needed to keep hold of the end of the hose while simultaneously aiming my screwdriver correctly with the slot.

I designed this key to incorporate a 25mm/1" hex slotted screwdriver bit - it's a snug fit, no magnets needed.  There's a pinhole opening if you need to push the bit back out.  The bottom of the key is sized to fit around the screw so it stays in place.