3/16 inch (0.5 cm) cylinder, for 3/8 inch to 5/8 inch (0.9 cm to 1.6 cm) fabric tubes; 3/8 inch (0.9 cm) cylinder, for 3/4 inch to 1 inch (1.9 cm to 2.54 cm) fabric tubes; 1/2 inch (1.4 cm) [...]
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