Spring compressor spares match by kit number, and the jaws lead the shelf: the 80 to 120mm small jaw for the narrow coils, and the special jaw named for the Mercedes W204, W205 and W207, because some springs need their own grip. Around them sit the swivel arms in pairs, the 20mm arm extensions, and the jaw holder bracket that carries them.
The strut side matches by diameter and vehicle the same way: strut bracket A covering 78 to 130mm bodies, and the upper bracket set named for Honda and Toyota, each listing stating its range so the strut on the bench picks the bracket.
The hardware that wears is numbered individually: the M24 by 3.0 setscrew at 140mm, the BJS pivot pin, and the repair kit for the 083950 tool, with the hydraulic upgrade kit converting the 08070000 compressor to a 12 tonne ram. The Sprinter ball joint tool keeps its adaptors No.1, No.2 and No.6 listed by number for the van work that wears them.
Spring compression is no place for improvised parts, which is why every piece here names its kit: the kit number typed into search finds its spares, the drop down selector shows the kit complete, and a photo with the number over WhatsApp on 07754288583 confirms a jaw or bracket before it takes a loaded spring.