Key benefits - Durable protective cover for bolts and nuts made from plastic with high hardness and rust resistance - Easy to install with no complicated tools required - Improves appearance with a clean, professional surface treatment - Keeps dust and dirt out, protecting engines, transmissions and other major components - Simple, time-saving solution that reduces maintenance steps What it does - Provides a protective shield for bolt and nut sets - Guards against dust, debris and contamination during operation or maintenance - Suitable for covering engine, transmission and other major components to maintain cleanliness Specifications and features - Material: plastic with high hardness - Corrosion resistance: rust-proof - Surface finish: treated for a neat, finished look - Function: protective cover for bolt and nut sets - Coverage: designed to protect engine, transmission and other major components - Installation: quick and straightforward; no complicated tools needed Compatibilty and usage - Designed for bolt and nut sets - Ideal for automotive applications, machinery and equipment with exposed fasteners - Suitable for use during maintenance, repair, and storage to keep components clean Use scenarios - Automotive maintenance and repair Protect exposed fasteners during engine or transmission service to prevent dust ingress and maintain cleanliness. - Machinery and outdoor equipment Cover exposed bolts on generators, lawn equipment, and other machinery to suppress dirt buildup in dusty or harsh environments. - Storage and assembly Use during parts storage or assembly to keep critical fasteners clean and ready for reassembly, reducing rework and time.