... Small Order Accepted5. OEM service6. Application to Rolling Door, garage door, roller shutter door.7. Quality Control: In House,100 ... shaft, with 8.0 m (adjustable) hand chain, chain stop, shaft sprocket wheel, drive chain and plated frame. We supply ... length: 8.2Mwheel:process: forgingfinish: paintingmaterial: carbon steel Chain Stop:Inspection Casting Hand Chain Hoist(Light Duty) for Garage door