Tectran Manufacturing 4 Inch Clamp - 900R64 Part #: 900R64 Line: TMI Tectran Manufacturing 4 Inch Clamp 1 Year Limited Warranty Diameter (in): 4 Inch Hole Diameter (in): 3/8 Inch Length (in): 4 Inch Width (in): 5/8 Inch Fastener Type: Clamp Show More Show Less