This item is for the #410 chain only.
Chain links: 38 links (about 48cm).
Chain links: 46 links (about 58.5cm).
Chain links: 48 links (about 61 cm).
(You can tell me the length or links what you want, then we make it for you.)

Pitch: 12.7 mm
Roll Diameter: 7.75 mm
Width between inner plates: 3.4 mm