✔ HEAVY DUTY SPANNER: Crafted from durable cast iron, this heavyweight propane/butane gas spanner is built for long-standing use for your gas cylinder and regulator fittings. ✔ UNIVERSAL COMPATIBILITY: Designed to work with Butane or Propane Regulators incorporating a 30mm Nut for connection to gas cylinders/bottles. ✔ SOLID & HARD-WEARING: Engineered for longevity, this solid gas spanner ensures a tight grip and dependable performance, even in demanding outdoor environments. ✔ VERSATILE APPLICATION: Whether you're camping, barbecuing, or using gas-powered appliances, this heavy-duty cast iron spanner offers a robust solution for connecting and disconnecting gas equipment with ease. ✔ ERGONOMIC DESIGN: This gas wrench provides a comfortable grip and precise control, making it an essential outdoor tool., Weight: 0.440924524 Pounds, Manufacturer: HAMILTON GAS PRODUCTS