Features: - Cleaning around the crown of the tooth. - Removal of moderate to heavy calculus. - Different shapes (slightly curved, more angled) help access various tooth surfaces. - G1 are typically more conservative and general-use. - Purpose: Subgingival scaling — designed to clean root surfaces and deep periodontal pockets. - Design: Slim, pointed, and fine to allow gentle insertion below the gum line. - Made in China.