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- Leaf spring with bracket and safety strap.
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- Pusher spring 15" long with 6" travel. Sold as a pair
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- Pusher spring 27" long with 15" travel. Sold as a pair
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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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- Pusher spring 27" long with a large 3" tip. Sold as a pair
- 11lbs of initial pushing strength per spring 3lbs per inch per spring
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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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- 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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- Universal mounting can be configured to accommodate for limited room at the end of the horizontal tracks
- Sold as pairs
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- Can be added in the field
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