Jack with an optional pivoting foot

A device adapted to be secured to an existing wheeled or a flat foot jack upon a trailer tongue, comprising:

• a central hole adapted into said jack proximate to said existing foot and a first hole above said central hole;
• a pivoting foot about a bolt through said central hole and secured about said first hole, said foot pivoting from a first configuration towards a trailer, through a second configuration beneath an existing foot, and to a third configuration away from a trailer;
• said foot having a plate, generally planar with an upturned perimeter;
• a pair of flanges, spaced apart and mutually parallel to pass around a flat foot upon said jack, attaching perpendicular to said plate, having a first end proximate to said base and an opposite second end, said second end having two or more holes upon the perimeter;
• said bolt, extending through said flanges and said central hole;
• a handle, sized to fit through the holes in said flanges, having a first end and an opposite second end with a removable locking pin;
• a means to stiffen said bolt through which said bolt passes;
• a caster attaching to said plate opposite said flanges;
• and,
• said foot having a generally U shape formed by said flanges as the upright portions of the U shape and said base as the bottom portion of the U shape.