The ikan SLD-47 is a durable aluminum Slider with variable tension glide control, for $329.
The Slider measures 47 inches, and has seven different mounting points, allowing it to be attached on a tripod, ¼” 20 stud mount, or standalone on the included feet.
The built in spirit level will help you get an even setup, and the ball bearings will keep a smooth glide throughout your shot.
Ball-bearing Slider System
47″ Slider Track
Variable Tension Glide Control
Height Adjustable Rubber Tabletop Feet
Slides Vertical and Horizontal
7 Different Mounting Points
Includes a Soft Carrying Case
For more: ikan.