For regular roller frame: 6mm diameter of main rod, 4 or 5 cage wires, 3mm diameter of cage wire. Has three sizes: 4 inch / 7inch / 9inch For professional roller frame: 8mm diameter of main rod, 4 or 5 cage wires, 3mm or 3.8mm diameter of cage wire. Has two sizes: 7inch / 9inch About the handle of the roller frame: we can supply three kinds of handles, there are type A, type B and type C. and also can supply double-color handle.
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