D-shaped hole, 6 x 8 mm. Similar to, but different than the knob for the M-39 model. Also used for the super automatic Cimbali M1, M2 and M3, as well as the Faema super automatic X1. These come with the spring included and installed.
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
