Crimping die Application: fibre optic connectors, e.g. FSMA-, ST-, SC- + STSC-/K-connectors sleeves: 4.3, 5.4, 6.0 mm. - Application: fibre optic connectors. e.g. FSMA-,ST-, SC- + STSC-/K-connectors- Number of crimp profiles: 3- Capacity SW mm: 3.65 / 4.2 / 5mm