The detachable restrictors are designed for use with Securistyle Sterling and Storm hinges; for applications with 5/8 inch or 3/4 inch typical stack height. This restrictor is designed to securely limit the window to a specific length and it can be released with a special key for maintenance or window cleaning by authorized personnel only. The SDR is non handed and made from austenitic 304 stainless steel. The SDR comes in lengths of 4, 6, 8, or 10 inch limits.

Overall Length: 9.84″ (250mm)

Boxed Quantity: 50

  • Available in stainless steel with a mill finish

Approved for use in New York City.

Click here for information regarding revisions to the SDR Restrictor Stays and the newer SADRS version click here.