Cherne® I-Series Test Ball Plugs are designed to meet the needs of U.S. and international markets in terms of size and expansion range. Cherne Industries is a global leader in pipe plugs and testing.

• I-Series Test Ball Plugs are industry leading quality, consistency and durability
• Mechanical bonding of premium natural rubber and end plates eliminates failures from chemical bonding
• Improved performance and safety through optimized design
• Premium performance and aesthetics
• Superior back pressure
• Lightweight, short and flexible