7570 High Security Door Closer with Regular Rigid Arm Vertical Rod Exit Devices The 257x259 Ramp Threshold is

The 257x259 Ramp Threshold is a 12" modular ramp threshold designed for barrier-free accessibility

For 1-3/8" to 1-3/4" Thick Doors

Fully stainless steel case and internal components

supervisor and basic user

Brass cylinder

7570 High Security Door Closer with Regular Rigid Arm Vertical Rod Exit Devices The 257x259 Ramp Threshold isNorton 7570 Grade 1 High Security Door Closer with Regular Rigid Arm, Heavy Duty Spring Sizes 1 6, Security Cover, Torx Screws The 7570 Series high security door closer is designed to withstand maximum abuse, deter tampering, and help protect doors, walls, and hardware. Schools, government buildings, financial institutions, industrial facilities, and prisons and detention centers are ideal applications for this closer. Cast aluminum body Adjustable,