This product is a head light hard hat clip, made of solid materials, safe and durable. It can serve you for a long time without being easily . The product is an excellent hard hat clip holder that can bring you more convenience, allowing you to have a more comfortable experience.Features-Color:Black-Material:ABS-Size:8.30X5.30X3.00cm/3.26X2.08X1.18in-Hole diameter: 21-28mm- Compatible with safety with a diameter of 21-28mm without drilling.- The perfect hard hat light clip for use in firefighting, inspection, and maintenance scenarios.- Simple and easy installation process makes it convenient and practical to use.- This hard hat light clip assures that the light stays securely attached to your .- Adoption of simple and convenient design, this product also can be used for a long time.Package list: 6 x light holder