The Billiard Cue Ball Magnetic 57 mm is a specialized product used in certain billiard games. Here’s a concise description of its content:

• Size: 57 mm in diameter
• Material: Typically made of high-quality resin or similar material
• Feature: Includes a magnetic core
• Purpose: Designed to be used with magnetic cue ball systems, often found in coin-operated or specific cue ball return systems