Suitable for example:
BioClip 85 and Combi85 cutting devices
HusqvarnaR112C5,R112C, R111B5, R111B
JonseredFR2311M, FR2312MA
2 x 13-154 => 850 mm, 2 pcs/cutting device are required
(length 43 cm, center hole 10 mm, pin spacing 45 mm)
It also replaces the blade with a 60mm stud spacing found in older mower models (at that time the stud spacing was irrelevant because the studs were not used)
replace the original numbers:
Husqvarna 5810835-01, 5224495-10, 5224495-03, 5224495-01, 581083501, 522449510, 522449503, 522449501