Springfield Spring-Lock Power-Rise Adjustable Sit-Down Post - Stainless Steel [1642005]Power Rise Adjustable Sit Down Post Stainless Steel Stainless Steel Pedestal, Adjusts From 15 To 21 1 2 Use As Seat Or Leaning Post. 3 Degree Tilt Cast Aluminum Swivel, Rotates 360. Use With Any Non Locking Spring Lock Base (sold separately). Rated ABYC Class H 31 B (Fishing Only) WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information