0.9mm cord, 100 yard spool. Commonly used to restring: honeycomb, cellular, roman, roller shades.
1.4mm cord, 100 yard spool. Commonly used to restring: roman, roller shades and mini blinds or small wood blinds.
1.8mm cord, 100 yard spool. Commonly used to restring: roman, roller shades and mini blinds or wood blinds.