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.