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- DOOR HEIGHT X 2 LESS 4 FT
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- Chain hoist keeper is not the same as the chain keeper
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- Can be added in the field
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- Chain spreader for installation with 1" operator shaft & 1" door shaft.
- Includes 2 shaft collars and set screws.
- Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing
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- Chain spreader for installation with 1" operator shaft and 1-1/4" door shaft
- Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing
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- Chain spreader for installation with 1-1/4" operator shaft and 1-1/4" door shaft
- Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing
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- 3/4" x 5.79" long
- 2 are included when bought in the kit #MX-00119
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- Chain spreader for installation with 1" operator shaft & 1" door shaft.
- Includes 2 shaft collars and set screws.
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