Face AngleBoth curves share the same face angle (Slightly Open).
Curve DepthBoth curves share the same depth (Moderate).
LieBoth curves share the same lie (null). Lie affects how the blade sits flat on the ice at your natural skating posture.
Curve TypeLD9 is a Mid curve (balanced and all-purpose). P28M / P28 Mid is a Toe curve (toe-focused, better for wrist shots and toe drags).