width is 30mm,
For diameter50MM，
Hosted weight100KG,
Unit weight:0.26kg
JC-ZN18S30
width is 30mm,
For diameter50MM，
Hosted weight100KG,
Unit weight:0.26kg
width is 30mm,
For diameter50MM，
Hosted weight100KG,
Unit weight:0.26kg
width is 30mm,
For diameter50MM，
Hosted weight100KG,
Unit weight:0.26kg
