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LARGE DOOR SECURITY CLOSER
- Norton Brand
- Designed for use in prisons, government buildings, schools, etc. or any installation where vandalism, escape, personal injury or damage to walls, doors or hardware are major concerns
- Available with security covers, security arms and TORX screws
- 7570 - multi size springs 1 through 6
- 7770 - spring size 2, 3, 4, 5 and 6
- 10 year limited warranty
- ANSI A156.4, Grade 1
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