Comparison : Item # 660ST-03.5mm (1/8") ZP+C, 1/8 Inch (in) Material Thickness (A) Zinc Plated Finish Lap Link Chain Connector
Item # 660ST-04 (5/32") ZP, 5/32 Inch (in) Material Thickness (A) Zinc Plated Finish Lap Link Chain Connector
Item # 660ST-05 (3/16") ZP, 3/16 Inch (in) Material Thickness (A) Zinc Plated Finish Lap Link Chain Connector
Item # 660ST-06 (1/4") BP, 1/4 Inch (in) Material Thickness (A) Brass Polished Finish Lap Link Chain Connector
Item # 660ST-06 (1/4") ZP, 1/4 Inch (in) Material Thickness (A) Zinc Plated Finish Lap Link Chain Connector