Retension knob:

1.different standands:Ansi/ASME B5.50-1985 ,,ISO/DIS7388/2-1984A,DIN69872-1988,MAS403-1982,JIS B6339-1986,ISO/DIS7388/2-1984B.
2.Size:30,40,45,50
3.packing:in paper box

packaging way:Inner packing is by plastic box.The outer packing is by cartons.Pallet is available upon the customer's request.

Quality: Each product are inspected durding the production.And then rendomly are selceted for inspection by quality-person.We have exported our goods to around the world and get good feebacks. 

Shipment way: We can send the goods by sea,air or couirer(DHL,TNT,Fedex etc) according to the customer's requirement. 

Our Services and reputation: we have been the supplier at Alibaba for 10(ten) years. 

 We always keep our promise and are responsible for the problems if occured after sales.Pls be assured.