Different sizes for many kind of rolls. 6 mm galvanized round steel, hollow plastic handle.

Sizes:

Type 1:
20 cm for 18 - 20 cm roll width
27 cm for 25 - 27 cm roll width

Type 2:
19 cm for 35 - 70 mm roll width
28 cm for 100 - 150 mm roll width
40 cm for 100 - 150 mm roll width
80 cm for 100 - 150 mm roll width