- Versatile Compatibility: This hydraulic cylinder wrench set is 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 openings of packing nuts, allowing for quick installation and removal using the included square drive and breaker bar. - Durable Construction: Crafted from carbon steel and cast iron, these wrenches feature strong welds and polished edges. This ensures longevity and smooth operation while protecting your cylinders from damage. - Comprehensive Maintenance Kit: The set includes both the adjustable 1266 and 7463 wrenches, along with two hex keys, providing everything needed for efficient maintenance tasks. Use Scenarios: 1. Ideal for routine maintenance on agricultural equipment, ensuring packing nuts are securely tightened or easily removed. 2. Perfect for construction machinery servicing, allowing for quick adjustments or repairs on-site without delays. This hydraulic cylinder wrench set combines functionality and durability for reliable performance in various applications.