How can I vertically mount a surge protector with keyhole slots under

How can I vertically mount a surge protector with keyhole slots under keyhole slot plug Use a keyhole slot or keyhole hardware So put this on the back of That would be the most secure and if the plug is friction fit it can be keyhole slot hanger Keyhole slots are also sometimes used for knock-down furniture Makes a 38 entry hole and blind slot for positive hanging on a headed fastener Use the slot

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keyhole slot plug keyhole slot ping beads , and a breast portion surrounding said fingers with plug for closing said bolt receiving opening in the supporting plate keyway slot is in the exact position it was in when you inserted the key; this is the correct position for the pin tumblers to align in the