Springfield Marine Thread Lock Table Package - Oval. The Thread-Lock Post has an overall height of 27" and is composed of anodized aluminum. Features black plastic table mount and aluminum locking base which is designed as a surface mount. Features of Springfield Marine 1690106 Thread Lock Table Package - Oval Anodized aluminum locking post and base Plastic locking table mount Oval table top design Surface mounted Dimensions: 18" x 30" Package Contents: Springfield Marine 1690106 Thread Lock Table Package - Oval Springfield Marine 1690106: Thread Lock Table Package - Oval