My rule of thumb is that pulls look best when they are about 1/3 the width of the drawer. On your island, use either 7" or 8" pulls on the 21" & 24" drawers and use 10" on the pot drawers and the pull-down drawer under the sink. Knobs on the doors is a good choice for a traditional or transitional kitchen. If you are going more contemporary, then you could use pulls on the doors as well. As far as inches vs mm, you can divide mm by 25.4 to get inches. Or use a conversion chart available on web. Or just call Amerock and ask them. Hope this helps.
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floor!
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