This Kitchen Aid blender drive coupler has left handed threads. To remove you must turn clockwise.

Genuine Whirlpool part.

Part Number WP9704230 (AP6013694) replaces 9704230, PS11746921, WP9704230VP, B011BVZIPS, B011BVZB3W, B00DZU927Y, B00BJE4TCQ.