Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); Hard Wired Electric Operation Pack of 1 sold2023 Braided ground strap has a

Braided ground strap has a universal silver plated copper mounting hole with a diameter of 5/16"

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Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); Hard Wired Electric Operation Pack of 1 sold2023 Braided ground strap has aSeco Larm DH 171SQ Flush Mount Magnetic Door Holder; Holding force 33 lb (15kg); Hard Wired Electric Operation Designed for use with a UL listed Seco Larm door closer (sold separately), the Seco Larm Magnetic Door Holder allows you to remotely control the release and closing of the door. Keep your door open all day with the door holder making sure it stays open, then when you're ready to close up, activate the door closer and the door holder will