Galvanized carbon steel band offers medium strength with medium corrosion resistance to mild chemicals and occasional fresh water. Center Punch clamps use a punch style clamp for economy and ease of installation. For general plant maintenance or emergency field repairs. BAND-IT Center Punch Clamps are constructed with a double wrap of band material which increases the holding power of clamped assemblies. Center Punch Clamps can be installed with BAND-IT hand tools: S03869, or T30069, or pneumatic production tool: SM1700.