What it does: Black, low-profile tank base holders (protective spacer rings) that stabilize cylinders, prevent slipping and reduce contact damage to the tank base. Designed to blend into your gear while keeping tanks secure. Key benefits: Stability: The base rings hold cylinders firmly in place to reduce tipping and movement on uneven surfaces. Protection: Made from compression-resistant rubber to absorb shock, prevent scratches and limit wear at the tank base. Discreet appearance: Matte black, minimal design maintains a clean, professional look on your equipment without drawing attention. Practical: Lightweight and low-profile so they add protection without bulk. Material and performance: Constructed from compression-resistant rubber for long-term durability and effective anti-slip performance. Designed to withstand repeated loading and to maintain shape under normal outdoor use. Compatibility and fit: Intended for use as base support for gas/propane/utility tanks and cylinders. A simple, universal accessory meant to improve base stability and protection for tank owners. Typical use scenarios: Camping: Keeps portable cylinders stable on uneven ground at campsites. Grilling and outdoor cooking: Prevents tanks from sliding or scratching grill mats and carts. Travel and transport: Adds a protective buffer during vehicle transit or when moving tanks between locations. Why customers need it: Reduces the risk of tipping or damaging costly cylinders. Keeps your equipment looking professional and well cared for. Provides a simple, durable solution to common stability and abrasion problems. Care and maintenance: Easy to clean with mild soap and water. Inspect periodically for wear; replace if the rubber shows significant degradation. Note: These base rings are a practical accessory for tank owners looking for improved stability, protection and a discreet professional appearance.