Opus Hammer & Chisel Paste provides superior lubrication of hydraulic hammers. It is fortified with over 10% copper and graphite solids and provides excellent protection under extreme pressures and high temperatures. Hammer & Chisel Paste utilizes a calcium Sulfonate complex thickener. This thickener has excellent high temperature, extreme pressure, and heavy load carrying capabilities. Hammer & Chisel Paste also features the maximum 800 weld point score on the four ball EP (Extreme Pressure) test. Hammer & Chisel Paste is one of the highest quality hydraulic hammer/breaker lubricants available.