I still can't make up my mind on this one. It really depends on the dimensions of the drill you are mounting it on and what you want to use the support for.
It is very sturdily made. The central mounting platform is made of metal about 6mm thick. This platform has a 'V' cut out that corresponds with a 'V' in the other half. The two units bolt together around the drill pillar. The bolts are incredibly long and will fit probably any pillar that's out there. My pillar is a 'baby' and so I simply cut the bolts down to a sensible length.
When clamped up, the table was not 100% square with the drill bit but not far off. Some shims and a bit of fiddling about in the V grooves would sort that out.
The first problem is that there is no central hole in the platform and so it cannot be used in place of the platform that came with the drill. . I don't want to remove my normal platform everytime I use the support and so I tend to fix the support immediately on top of my original platform. That loses me some vertical working height.
The next problem is the roller supports are mounted quite high relative to the platform - see the picture. This effectively unnecessarily raises the working height for the workpiece yet again.
This is a bit of a nuisance because the pillar on my drill is fairly short and so once the support is mounted, the available distance from platform to drill chuck is only 75mm on my drill. Too short for any but the smallest drill and certainly not long enough to mount a Forstner bit.
Next, because the support rollers are higher than the platform, you have to build up the platform with blocks of wood to support your workpiece. But because the platform does not extend far enough forward to be in line with the total width of the rollers, as you move the workpiece around, the blocks of wood tend to fall off
The roller supports are also quite long and so I found that I had to swivel the drill around to be end on vis a vis the workmate. If you had your pillar drill fixed on a workbench then you'd be stuffed.
The minimum distance that the rollers can be moved in is only 29cm from roller to drill bit. This was too wide for my purposes as I would have preferred something shorter. The maximum is 63cm from roller to drill bit.
Note that as you move the rollers out to their furthest extent then they drop relative to the height that they were when they were close in. This means that you will need a different thickness block of wood to support your workpiece.
Having said all that, for £34.90, given its' limitations, it does have its' uses. But no good for kitchen doors!
It is very sturdily made. The central mounting platform is made of metal about 6mm thick. This platform has a 'V' cut out that corresponds with a 'V' in the other half. The two units bolt together around the drill pillar. The bolts are incredibly long and will fit probably any pillar that's out there. My pillar is a 'baby' and so I simply cut the bolts down to a sensible length.
When clamped up, the table was not 100% square with the drill bit but not far off. Some shims and a bit of fiddling about in the V grooves would sort that out.

The first problem is that there is no central hole in the platform and so it cannot be used in place of the platform that came with the drill. . I don't want to remove my normal platform everytime I use the support and so I tend to fix the support immediately on top of my original platform. That loses me some vertical working height.
The next problem is the roller supports are mounted quite high relative to the platform - see the picture. This effectively unnecessarily raises the working height for the workpiece yet again.
This is a bit of a nuisance because the pillar on my drill is fairly short and so once the support is mounted, the available distance from platform to drill chuck is only 75mm on my drill. Too short for any but the smallest drill and certainly not long enough to mount a Forstner bit.

Next, because the support rollers are higher than the platform, you have to build up the platform with blocks of wood to support your workpiece. But because the platform does not extend far enough forward to be in line with the total width of the rollers, as you move the workpiece around, the blocks of wood tend to fall off

The roller supports are also quite long and so I found that I had to swivel the drill around to be end on vis a vis the workmate. If you had your pillar drill fixed on a workbench then you'd be stuffed.

The minimum distance that the rollers can be moved in is only 29cm from roller to drill bit. This was too wide for my purposes as I would have preferred something shorter. The maximum is 63cm from roller to drill bit.
Note that as you move the rollers out to their furthest extent then they drop relative to the height that they were when they were close in. This means that you will need a different thickness block of wood to support your workpiece.
Having said all that, for £34.90, given its' limitations, it does have its' uses. But no good for kitchen doors!