duprin Von Duprin 6223 US32D 24VDC Fail Secure Electric Strike December 1, 2023 admin Grade 1 Electric Strike, Fail Secure (Electrically Locked) 24 VDC, 4-7/8″ x 1-1/4″ Faceplate, For use with Cylindrical or Mortise Locks on Single Doors, Hollow Metal or Aluminum Frame, Bright Stainless Steel Finish.