This spring is suitable for, among others,  the following machines:

Heidelberg: SM52,SM72,SM74,CD74,XL75,SM102,
CD102,XL105, XL145,XL162

manroland: R300,R500,R700,R800,R900-4B,R900-5B,R900-6B

KBA:RA72,RA74,RA104,RA105,RA106

Komori:L20,L26,LS26,L26P,L28,LS29,LSX29,L32,           
LS32,L40,LS40,LSX40,L40SP,L44,LS44,L50

Mitsubishi:Diamond:1000/1F, 2SF, V3000, 3000/3F, 4000/4F, 5000/5F, 6000/6F