BAND-IT CP1699 5/8" Wide x 0.025" Thick 4" Diameter, Galvanized Carbon Steel Center Punch Clamp (25 Per Box) 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