High quality brass construction. Durable and leak-free design. Resists corrosion. POL to QCC1 adapter converts POL LP tank to QCC1/Type1 hoses and regulators. Easy installation and multi-purpose use. Compatible with BBQ grills, camping equipment, outdoor stoves, heaters, RVs, griddles, fire pits and more. Converts older style or 5-100lb propane tanks to QCC1 connection. No need to replace tank valve. Provides secure and airtight connection between propane tank and appliance. Allows use of larger propane tanks with new style regulators. Fits all 1 lb propane cylinders. Refillable and easy to connect. Model: POL to QCC1. Compatible with gas tank interfaces in North America, Australia, and New Zealand. Product may vary slightly between batches in design or color due to updates. This does not affect functionality. Material: Brass. Color: Yellow. Package includes: 1 x Gas adapter. Other items not included. Lighting and display differences may cause slight color variation between image and actual product. Measurement error allowed: +/- 1-3 cm.