This is very simple and cheap winding check for rod building. you can choose one of 9 sizes or assortment.
|Inside Dia.||5 sizes & Assortment at your choice|
|Assortment||7.5mm x 4ea / 8.5mm x 4ea / 9.5mm x 4ea / 10.5mm x 4ea / 12.5mm x 4ea|
|Assortment-2||9.5mm x 4ea / 10.5mm x 4ea / 12.5mm x 4ea / 14.5mm x 4ea / 16.5mm x 4ea|