This 90-degree grease coupler is constructed from quality carbon steel, designed to lubricate hard-to-reach fittings in tight spaces. The spring-loaded mechanism helps prevent leakage and allows for efficient and convenient grease application. It features a silver grease adapter and sleeve, making it suitable for use in automotive, truck, farm, and industrial applications. Features 1. Carbon Steel Material: Made from quality carbon steel with a galvanized surface to resist corrosion, ensuring durability and long-term use. 2. 90-Degree Design: Angled head allows access to zerk fittings in confined areas, simplifying connection to difficult-to-reach points. 3. Spring-Loaded Design: Internal spring mechanism helps prevent grease leakage and ensures smooth, efficient operation. 4. Safe to Use: Includes one silver grease adapter and one sleeve. Operates within a working pressure range of 3000–4500 PSI, suitable for reliable daily use. 5. Wide Compatibility: Compatible with cars, trucks, farm equipment, and industrial machinery. Works with most manual grease guns and hard-to-reach lubrication points. Specifications Material: Carbon steel Color: Silver Size: 7.8 cm Weight: 105 g Package Includes: 1 x Grease Coupler