Garelick/Eez-In 75017:01 Universal Boat Seat Swivel - Angled With 7&deg; Angle Rotates 360 Degrees - Fits Most Standard Seat Hole Patterns Self-Lubricated, Non-Corrosive Poly Swivel Bearings Angled - With 7 Degree Angle Rotates 360 degrees - fits most standard seat hole patterns Self-lubricated, non-corrosive poly swivel bearings "Angled" - With 7 angle