Applicability: For use with 1-5/8" wide and standard 1-5/8" or higher post channels - Supports up to 770 lbs
High-Quality Material: Solid steel middle support - Channel Trolley body Rust-resistant galvanized surface, Eye nut and M10 bolt are made of stainless steel - Smooth and silent operation
Easy Operation: Simple push-in installation - Package includes 3 nuts - Can long term use, they can well meet your daily work needs
Smooth Design: Hidden bolt in fastening groove - No sticking - Mute wheels for stable and noise-free operation