These are extremely detailed, double grouser narrow tracks which are 13.5 mm and intended for Large Excavators The inside dimension of the track chain where it rolls on the idler/sprocket is 2.4 mm. With minor modifications or/replacement of the rollers, the track sets will be ideal for 45-110 ton models.
Double grouser pads like these are also great for Track Loaders and Logging Equipment as small as 20 tons. Each set consists of a pair of tracks, 13.5 mm wide tracks are 47 links per side, measuring 258.5mm (10.1") long each when laid out flat.
Sets come assembled and finished in black. Very durable, Snap together assembly will make it easy to add/remove links to fit your models.