Milton® Industrial | Quality Solutions for Over 75 Years! High-Quality Pneumatic Construction Hose: The Milton Jack Hammer hose is made of heavy-duty reinforced rubber covered with 4 spiral layers for dependable strength. Resistant to heat aging, chemicals, and ozone. This EPDM product has a Rubber Manufacturers Association (RMS) class C rating. Designed for Industrial-level performance in all temperatures and weather conditions. Those who demand high-end performance from their hose, look no further! Ideal for air hammer tool applications on a broad range of job site applications. Specifications: Temperature range of -65 F° to 180 F° - Rubber Air Hose: 3/4” ID Universal Coupler, 1.1” OD and 50 ft. long - Maximum Pressure: 300 PSI - Hose Material: 4 layer EPDM synthetic rubber tube-Universal Coupler: High quality hardened steel