All the holes lined up. Works out of the box on pc. Apparently defective out of the box, but unable to get help with troubleshooting. The price of some of them is very high, so I thought about this one. Will look for other shoes by this brand. He loves them and wears them around the house and outside when taking the dog out. I was able to mount it, with a little effort, under the lip of the island top with the screws provided and a power screw-driver. Has been up for a few weeks and holds my Cannondale mountain bike (Medium 29er) great. And if I?m wearing thick socks, then i don?t need slippers ?? )These are easy to install and do come with a pair of screws for install but I used drywall anchors.