2piece set of protective caps for 1 lb 16 oz small propane cylinders and MAPP tanks with machined threading. Designed to prevent nozzle clogging and keep fuel valves of dirt, moisture, and corrosion while stored or transported. Key benefits Protects the valve and prevents nozzle clogging from debris, reducing malfunctions and ensuring reliable ignition. Secure, leakresistant seal keeps fuel clean and limits exposure to moisture and contaminants. Portable and easy to handle thanks to an integrated handle that lets you hang the cap on a camping table, backpack, or other gear. Keeps caps attached to the cylinder body when not in use to avoid loss or misplacement. Features Compatibility: Fits 1 lb 16 oz small propane cylinders, MAPP, and US propane cylinders with machined threading. Construction: CNCmachined, anodized duralumin with a silver finish for a durable, streamlined look. Grip: Machined knurling provides a nonslip surface for easy on and off by hand. Materials: Aluminum body with NBR sealing ring for reliable leak resistance and low galvanic potential difference with iron to reduce corrosion risk at contact points. Size and weight: 1.4 in diameter x 0.7 in height; 0.9 oz 25 g each. Quantity: Two caps per set. Practical applications Camping and backpacking: Protect propane stove and lantern valves during transport and storage. Portable torches and soldering: Keep torch nozzles of dust and debris when not in use. Outdoor cooking and tailgating: Store spare cylinders with confidence and hang the caps on nearby gear for quick access. What it solves Prevents common nozzle clogging that can cause appliance malfunctions. Reduces risk of valve contamination, moisture damage, and corrosion during storage and transit. Minimizes lost caps by allowing the cap to be secured to the cylinder body when idle. Simple to use, durable, and designed for field use with small propane and MAPP cylinders.