Install Hidden Hinges and Casters

all the hinges then I cut out all the drywall to expose the steps I secured the hinges using the provided screws [Music] once everything was lined up and moving properly I brought everything to the wall and secured the shelving unit to the wall studs using 3-inch screws now this goes without saying but it's a good idea to pre drill and countersink all the holes so that you don't split the 1