- Compatibility with Various Machines: This hydraulic cylinder wrench set is specifically designed to fit packing nut sizes ranging from 25 mm to 152 mm, making it ideal for agricultural and construction machinery such as excavators and bulldozers. - Effortless Operation: The wrenches easily fit into the holes of packing nuts, allowing for quick installation and removal. The included square drive and breaker bar enhance usability, ensuring you can work efficiently. - Durable Construction: Made from high-quality carbon steel and cast iron, these wrenches feature strong welds and polished edges for maximum durability. They are built to provide smooth operation while protecting your cylinders. - Comprehensive Maintenance Set: The kit includes both the adjustable 1266 and 7463 wrenches, along with two hex wrenches. This complete set provides everything needed for effective maintenance. Use Scenarios: 1. Excavator Maintenance: Quickly access and adjust packing nuts during routine checks or repairs, ensuring your equipment operates at peak performance. 2. Bulldozer Service: Effortlessly remove and install packing nuts, reducing downtime and enhancing productivity on the job site. 3. Agricultural Equipment: Maintain tractors and harvesters with confidence, ensuring all hydraulic components are properly serviced and functional. This hydraulic cylinder wrench set is an essential tool for professionals in agriculture and construction, designed for functionality, durability, and ease of use.