- 1000 pcs Discs springs TREP® 3L, M10 - 800 pcs Discs springs TREP® 4L, M10 - 500 pcs Discs springs TREP® 4L, M12 - 300 pcs Discs springs TREP® 4L, M14 - 500 pcs Discs springs TREP® 4L, M16 - 300 pcs Discs springs TREP® 4L, M20