4" Med Duty .531 Hole Dia Vinyl Cushion Tube Clamp / INSIDE DIAMETER: 4.000 INCHES NOMINAL OVERALL WIDTH: 1.000 INCHES NOMINAL MATERIAL THICKNESS: 0.0313 INCHES NOMINAL END ITEM IDENTIFICATION: TRUCK, BOMB SERVICE CENTER TO CENTER DISTANCE BETWEEN FIRST AND SECOND HOLES: 2.688 INCHES NOMINAL PART NAME ASSIGNED BY CONTROLLING AGENCY: VINYL CUSHION TUBE CLAMP MATERIAL: STEEL BAND MATERIAL: PLASTIC VINYL CUSHION STYLE DESIGNATOR: A13 CENTER MOUNT