Maximum door height of 18' and capacity 660 lbs. per drum with 1-1/4" bore
- Sold as pair
- 1-1/4" bore
- Maximum door height: 18'
- Capacity: 660 lbs. per drum
- Maximum cable size: 3/16"
- Cable length: Floor to shaft center +237" minus door height
- Cross Reference: Apco 1100-18, DNS 236-18, OMI 18 VL, M280-5500
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