Here are the key features for the Triangle Heavy Duty 2 1/4-Black:

1. Material: Constructed from heavy-duty plastic for durability and longevity.
2. Size: Designed to hold standard 2 1/4-inch billiard balls.
3. Design: Classic triangle shape for easy and precise ball arrangement.
4. Compatibility: Suitable for use with standard-sized billiard balls.
5. Functionality: Facilitates quick and efficient racking of balls for games.

These features highlight the durability, design, size compatibility, and functional utility of the Triangle Heavy Duty 2 1/4-Black, essential for organizing and setting up billiard games efficiently.