1 Well accepted in European market for years

2 Originally patented and introduced by Japan

3 Ball bearing mechanisem to greatly improve product performance and life

4 The mechanism incorporates NINE ball bearing inside,
A rubber boot is installed around the swivel linkage to serve as a seal.
All of these design makes the ball swivel connector has much less friction wear in service. That' s how greatly improve the product performance and life.

5 More cheap manual labor in China, the price is competitive all over the world.