My parts list/tender specifications

Modular jack insert Keystone Modular Jack 6PP Cat 3 Bus (jack) RJ12 6(6) black

Data Sheet:

For cover plate 2561-xxx, 2561-02-xxx and insert 1812, 1866 built-in, 1867 built-in. For conductor cross-sections of 0.12 mm² (AWG 26) to 0.35 mm² (AWG 22).