The 580 series is compatible with cylindrical locksets and mortise locksets without a deadbolt.
The 590 series also accommodates GEM-470R/L locksets.
Faceplate finish: Stainless steel (For GK580/590 series)
US26D Chrome plated (For 570/571)
Voltage:12 or 24VDC
Mode:Fail-safe or Fail-secure
For Offset Latch Entry
Internal Hold Open (For GK580-151/152)
For Centerline Latch Entry