JL-40BY:

1) Material: cold rolled plate2) Surface treatment: nickel plated (color zinc)3) Wheel material: engineering plastic-nylon4) Bearing material: high density steel5) Size: 7.5*1.6CM

JL-25BY:

1) Material: cold rolled plate2) Surface treatment: nickel plated 3) Wheel material: engineering plastic-nylon4) Bearing material: high density steel5) Size: 6.2*1.0CM

wardrobe roller with matal and plastic