Attach and loosen nuts or bolt heads: These wrenches rely on the physical strength of the user to provide precise force when the hollow head is brought into contact with the fastener and rotated clockwise or counterclockwise Compatible with the FACOM modular storage system: This set of 5 OGV combination keys is suitable for Chrono, Jet, Chrono XL, Chrono+, Jet XL and Jet+ maids. These extremely robust tools withstand the very high torques applied to tough fasteners. A secure storage module: The foam module provides a safe place to store and keeps your tools safe from damage. A space is dedicated to each tool to allow you to work efficiently and find the right tool quickly. Safety and durability above all: Our products have all been made with high quality components for a long lifespan. They have undergone numerous extensive tests before being marketed and correspond to the European standards in force., Weight: 0.771617917 Pounds, Manufacturer: Facom