YQK-300 hydraulic crimping tool featuring a 12-ton crimping force and a capacity range of \(16\text{mm}^2\) to \(300\text{mm}^2\).Usage: Designed for crimping cable lugs onto copper or aluminum electrical cables to create secure electrical connections.Operation: Features a manual hydraulic mechanism with a C-shaped head and a pressure relief valve, often referred to as an "ON/OFF" switch, for releasing pressure after crimping.