PRECISION DESIGN: Transparent in-line oiler with 1/4" NPT connection, measuring 58mm in length and weighing 2.99 oz for accurate air tool lubrication COMPATIBILITY: Universal 1/4 inch NPT threading fits standard air compressor systems and pneumatic tools for seamless integration DURABLE CONSTRUCTION: Built with high-quality brass and clear housing for visual oil level monitoring and long-lasting performance AUTOMATIC OPERATION: Self-regulating oil delivery system ensures consistent lubrication to protect and extend the life of pneumatic tools DIMENSIONS: Compact size with 12.50mm (0.49in) thread diameter and 33.50mm (1.32in) total width for easy installation in tight spaces Keep your pneumatic tools running smoothly with this professional-grade mini in-line oiler lubricator. Designed for 1/4-inch NPT connections, this compact unit automatically delivers precise oil lubrication to your air compressor system. The transparent housing allows easy monitoring of oil levels and flow, while the durable brass and metal construction ensures long-lasting performance. At just 2.28 inches (58mm) in length and weighing 2.99 ounces, this lubricator integrates seamlessly into your air line setup. The package includes two units, perfect for maintaining multiple tools or having a backup on hand. Installation is straightforward with standard 1/4-inch NPT threading, and the clear visibility window helps prevent over-oiling. Ideal for professional workshops, automotive applications, and industrial settings where consistent tool lubrication is essential for optimal performance and longevity of pneumatic equipment.