Fits standard baseball sizes and shapes and designed for leather baseball gloves. This professional baseball hammer applies glove oil and supports conditioning, helping improve grip and control through repeated shaping motions. Stable and powerful: builtin solid construction ensures safe, stable swings and prevents the ball end from coming loose, making it ideal for neat glove maintenance and shaping. Improved performance: retractable finger holes and a unique handle design provide more comfortable use and better control during glove shaping and conditioning. Versatile tool for glove care: designed to speed up glove shrinking/breakin and to assist in breaking in and shaping, ensuring your gear is ready to play. Key attributes at a glance: compatible with standard glove sizes and leather gloves, durable construction, oil application capability, and ergonomic handling for comfortable operation. Applications and use scenarios: Break in a leather glove before the season to form a reliable pocket and improve grip. Restore and reshape an aging glove to maintain a snug fit and responsive feel. Pregame prep to ensure your glove is properly shaped and conditioned for performance. How it helps you: by conditioning leather, maintaining shape, and providing a stable, controllable tool for glove care, it supports faster maintenance and consistent performance on the field.