Do these hinges have a removable pin?A. The Emtek 91023 has a removable pin.
Do these come with screws? If not what kind do you recommend?A. The Emtek 91023 comes with standard sized screws.
Can this replace a 3 inch size hinge?A.
The Emtek 91023 is a 3.5 inch by 3.5 inch hinge, it would depend on how the previous hinge is installed to determine whether this would work in its place or not.