The chain hoist is suitable for 6.6:1 reduced drive wall mounted includes:
(1)41B60 sprocket 1-1/4" bore available-use
part #4017 48"of # 41 roller chain
(2)chain keeper 1/4"square key Requires minimun 5-1/4" center line offset.
Packing:
1set/ctn .
Size of carton:30*27*12cm.
Standard packing .
Delivery time:within 20days.
Garage door hardware Chain Hoist