Halogen shop light

Any info on these? I have one that uses the double ended halogen bulb covered by a slab of glass on each end. It lights up my shop pretty well. Problem is the glass cover broke about 6-8 months ago on one end. I blamed the kids for doing something to it. Yesterday, the 2nd glass spontaneously shattered and no one was around. I was outside my work area and the light was off. I heard a noise and thought a stack of my tools had fallen over. I went in to see what it was and saw the small cubes of "safety(?)" glass all over the place. Is this why I can not find a similar light on-line at HomeDepot? Are they no longer available? Should I stop using it?

A halogen light fitting that is intended to be used with an outer cover glass over the bulb should not be used without this cover glass.
The ultraviolet output of a bare halogen lamp can be dangerous and there is also the small but real risk of the glass of the bulb shattering.

In theory a replacement cover glass should be available from the suppliers.
In practice it is probably as cheap to buy a new fixture, AFAIK they are still available.

If the fixture gets much use then it might be worth considering something more efficient in order to reduce electricity bills.

Thanks. All I have seen are fluorescent and spendy LED replacement fixtures. Mine has twin 300 W bulbs. Can I get the same output with something else?

A diy LED lamp is what I'd do. Could even use that fixture.
Would need about 6000lm for each halogen. 4 XML2s would do it if maxed. Otherwise there's tons of LEDs avail for these kinds of projects. Find 2 emmiters that thro 6k lms, in a color temp you like, get an appropriate driver and mountings to keep em cool.

Mine has twin 300 W bulbs. Can I get the same output with something else?

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You're stuck with halogen if you need the same light output. There aren't any LED work lights that I know of that can keep the LEDs cool enough to replace something like this.

75-100 Watt chipset with good heatsinking, slightly underdriven would/should be fine. Only about $30/ea, driver incl.
make sure to use good thermal paste to insure conduction from LED to frame. Mine worked fine for 3 yrs till I lost it in a fire. (Unrelated to the light itself)