Size Range：1/2″ through 24″ Material：Carbon steel Finish：Plain or Galvanized, other finish available upon request. Service：Recommended for suspension of cold pipe lines or hot lines where no insulation is required. Maximum Temperature: Plain 750°F; Galvanized 450°F. Approvals： ● Complies with Federal Specification A-A-1192A (Type 4) WW-H-171-E (Type 4) , MSS-SP-69 & SP-58 (Type 4). Ordering：Specify Part Number Note: The "C" gap dimension ensures adequate clearance at the top attachment point for a weldless eye nut or other appropriate rod attachment. This gap may or may not be present on the bottom portion of the clamp.