Application：
1. Safely and neatly cover the cutouts of channel steel, support arm and other mechanisms, beautiful and practical.
Structure：
1. The buckle design perfectly matches the channel steel port.
2. The edge design just covers the channel steel section and the curved top, which is beautiful and safe.
Installation：
1. Align the cap end card position with the channel steel cross-section, and get in with one click, which effectively protects the construction safety and reflects the overall aesthetics.
P·Standard：
1. Material: PP environmental protection plastic.
2. Synthesis method: one-time injection molding with abrasive tools.
