MagDaddy - Magnet Mount - Cup Magnet - 6.5mm Hole - 26 - WireCare.com
Amazon.com: Mag Daddy - Magnetic Fasteners, Small Magnetic Cable Tie Mount, Color: Black - Holds Standard Zip Ties, UL Listed: 10 lbs. (62411) : Electronics
Rack-A-Tiers Mag Daddy Cable Holder 1" Black 100pk RM100BK.BULK from Rack-A-Tiers - Acme Tools