This Coast HP4 Fixed Beam Optic LED Penlight is specially designed for confined spaces, giving you the much-needed visibility you are looking for. It has a convenient, slim size, making it simple to transport with you and easy to store. This black Coast penlight features a sleek design that will add style to your tool collection. It is built with a tough, impact-resistant, lightweight aluminum casing that provides the quality you need in your visual tools. It features an O-ring for water resistance, allowing you to take it with you in many environments without worry. This tool is a durable option for you to get the lighting you need while maintaining an ability to resist rust and corrosion. The slim LED flashlight is tested and rated to ANSI FL1 standards. This product is designed for durability, giving you a high-quality light that you will have for years to come.