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Extend a 1-1/4 inch diameter garage door torsion shaft by 4 inches and reduce it to a 1-inch diameter with this Zap Hollow Shaft Extender from Action Industries. This accessory installs on hollow shafts to allow Zap commercial and residential operators to be installed. Equipped with four pre-cut holes for M6x20 Hex Cap screws and a 1/4 inch x 1/8 inch keyway.
8 inch Zap Hollow Shaft extender
Extends garage door shaft by 4 inches
Fits over 1-1/4 inch shaft, tapers for use with a 1 inch shaft
Four pre-cut holes for screws
Uses M6x20 Hex Cap Screws