This is an awesome three-piece metal ski vise capable of accepting skis from 50mm up to a whopping 155mm underfoot! Skis can be locked at 90 degrees, 45 degrees, and 0 degrees. The three-piece design is extremely stable, with supports that perfectly align with the center piece. The central clamp has a pair of tacky-rubber pads to securely grip the slipperiest of sidewalls. Spring-loaded tip and tail supports adjust in height (from 5.5" to 6.75") and feature small clamps that secure the ski side-edge-up for side edge tuning.