A sizing apparatus can include a contact member having a curved contact surface, the contact surface extending in a substantially convex shape from a proximal end to a distal end along a direction that lies in a same plane as a first axis, the contact surface extending in a substantially concave shape between spaced apart first and second side edges along a direction that lies in a plane that is substantially transverse to the first axis. The sizing apparatus can also include an arm extending from the contact member substantially parallel to the first axis. A flange may also be provided to facilitate use of the sizing apparatus.

 
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