Felco Replacement Spring For Pruner Type 2, 4 And 8

Spare spring (model Felco 2/11) for Felco pruning shears type 160L, 2, 4, 7, 8, 9, 10, 11, 19, 100, 4C, 4H, 8CC, 400

The spring itself is called 2/11, but when packaged it is called 2/91 (per 2 pieces).