They have covered the hole which is great but my sock keeps sticking to one of them which is a pain. That's probably down to my application rather than the fault of the product though. I'll try them on another pair of shoes and see if I get a better result.

Replacement wheels were easy to fit with all eventualities catered for , there were two wheel shafts of varying lengths and adequate washers to take up any gaps to centralise the wheels.

Although the diameter of the wheels was good the actual wheels were too thick at the bearings and had to grind them down to fit