Black & White PE Cap Head Protective Covers for M4-M45 Bolts - Dustproof, Decorative Insulation

These head protective covers are designed for bolts ranging from M4 to M45. Crafted from durable polyethylene material, they offer excellent dustproof protection and add a decorative touch to your bolts. The black and white color options enhance their versatility, making them suitable for various aesthetic needs. Additionally, these covers provide insulation that helps to maintain the bolt’s integrity over time, making them a practical choice for both industrial and home use. Material Grade: plastic Manufacture country: China Instructions included: No