We are offering universal joint
place of origin: zhejiang china (mainland)  model number: st-1640 

material: 20cr d=16 l=40

1) material: 20chromium  

2) diameter=16 mm      length=40mm
3) inner packing: plastic sacks and paper boxes, outer packing: master cartons and wooden
4) can be designed and developed according to customer's drawings or samples

5) detail delivery time subject to customer confirmed order.