The Titan dead blow hollow head is filled with steel shot that creates a dead blow effect for sustained impact and maximum force without rebound. Replaceable polyurethane convex striking faces are non-marring and resistant to sparking, chipping and splitting. Thus, eliminating damage to the struck surface. Lightweight and durable fiberglass handle with TPR grip enables a controlled swing, absorbs shock and vibration, while providing a non-slip grip. Replacement faces are available in many common materials for different applications. Available replacement faces are: Polyurethane #63635 Aluminum #63636 Steel #63637 Brass #63638