Protect your Thor's Lightning Air Systems Dynamo Lock-On Air Chucks from dirt and debris with these durable high-grade plastic covers. Designed as the perfect companion, these covers are simple to install - just remove the air chuck, slip the cover onto the hose, and screw the air chuck back on. Keep your air compressor lines clean and free from dust and other contaminants with these essential accessories. Crafted with durability in mind, these covers offer reliable protection for your valuable tools.