SELECT YOUR SHANK LENGTH WHEN YOU ADD TO CART
These are 1.18 note child safety winding keys of varying shank lengths. "Child Safety" Meaning once connected or screwed onto the mechanism it cannot be removed. Used mainly for children's plush toys! You may select your preferred shank length when you add to cart.
If you have ordered a mechanism it will come with the normal winding key. Wind and test to make sure it plays the tune of your choice , remove that key and place the mechanism in the plush animal or doll. When it is in it's correct position, then you may connect the safety key.