You can get the latest version of this pack for free here.
Create colliders for all your assets quickly and easily with vertex selection, generate convex mesh colliders with VHACD, and auto generate colliders for skinned meshes.
Having trouble getting accurate physics and colliders?
Easy Collider Editor lets you quickly create colliders that fit any object. Just select points and vertices on a mesh, and click a button or press a shortcut key. It's that easy! Create boxes, spheres, capsules, cylinders, rotated boxes, rotated capsules, and convex mesh colliders quickly and easily.