RS PRO, Linear Guide Rail 7mm width 300mm Length

Miniature and light weight, suitable for miniature equipment.
All materials for block and rail, including rolling balls and ball retainers, are stainless steel for anti-corrosion purpose.
Unique design can sustain loads from all directions and offer high rigidity and high accuracy.
Recirculating steel balls are held in by a retainer to avoid balls from falling out even when the blocks are removed from the rail installation.