Designed by insert engineers, our second generation soft grip features a 12mm wide grip with a tire-like tread pattern to help you securely grasp the insert without the need of excessive pressure. This can help lessen the chances of hand fatigue after a long day of scaling. Well balanced for operator comfort. Hand assembled & tested. Sturdy & Durable. Standard water delivery: Water is delivered from the base of the tip. Uniquely contoured for improved access to all tooth surfaces. Beveled edge to mimic hand scalers. Specialty: Primarily for Supragingival (limited subgingival use when tissue condition permits). Primary Use: Moderate to heavy deposits and stains. Power: Any