Let's take GC090 wardrobe soft close damper and GC092 for example, here is the difference between those two actuators, 

1) Actuator for GC090 is height adjustable supported. Just adjust the height of actuator once the soft close on the top of the door couldnt be triggered by actuator.

2) Actuator for GC092 is width adjustable supported. But the minimum width is already 35mm, which could be installed within the track dimension from 35mm-40.5mm.

3) It's kind of time wasting for the actuator of GC092 since you have to adjust the exact size for the track. And once the soft close couldnt be triggered by actuator, you have to adjust the bottom roller set to comply with the function.

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