Here's an alt tag for the image: Silver adjustable height base with levers.

383121-L225 - Image 2

383121-L225 - Image 3

383121-L225

Seat Slide, 2-7/8″, Locking, Anodized plate W/ 300 degree gap

Categories: 2-7/8" Fixed Height Swivel Slides, 2-7/8" Fixed Height Swivel Slides, Fixed Height Pedestals, Seat Pedestals - Non-Removable