Casters casters casters bracket car pj friends often ask us, and said caster wheels are not the same? In the end there any difference? 
 In fact, ah, that is simple. Caster is referred to, including Caster and fixed casters. Caster is known as caster, its structure allows 360 degree rotation; fixed castors without rotating structure can not rotate. 

 Pj Casters Casters Caster car bracket with the two wheels are generally used, such as the cart in front of the structure of two fixed wheels, the back near the armrest on both occasions to promote the caster. 

 The next time you go to the supermarket, look at the cart's wheels to know! 

 This time, you should understand it. Pj Casters Casters Caster bracket car