4", 5", 6" ESD Wheels Conductive Castors

Conductive Casters :

1- ESD safe, SR: 10e2-5 ohm.
2- Durable and good shock abrasion. 
3- Dia: 4",5", 6" 
4- TPR wheel 
5- with or without brake. 
6- Also available with non-esd type (KW-4, KW-5, KW-6)