Sentrol Reed Switch Wide Gap Mini Miniature Magnetic Contacts with Wire Leads The 1035 Series magnetic contacts save installation time through the use of a specially formulated 3M® adhesive tape. The tape, which establishes a permanent bond between the contact and the surface, can be repositioned in the first five minutes. A low profile and small footprint combine with reliable technology to make the 1035 Series contacts a good choice for applications where drilling holes is impractical. Features Quick Tape Mounting, No Screws or Glue Needed Urethane/Acrylic Tape Bonding Improves w/Age Attractive, Low-profile Design Ideal for Thin-frame Windows or on Sliding Glass Doors Available Wider Gap Distance Helps Prevent False Alarms Caused by Loose-fitting Doors and Windows Gap : Up to 5/8 in. (16mm) UTC 1035W-N Surface Mount Magnetic Contacts with Wire LeadsReed Switch Wide Gap Mini Self Adhesive NC The 1035 Series magnetic contacts save installation time through the use of a specially formulated 3M ® adhesive tape. The tape, which establishes a permanent bond between the contact and the surface, can be repositioned in the first five minutes. A low profile and small footprint combine with reliable technology to make the 1035 Series contacts a good choice for applications where drilling holes is impractical