Material Carbon steel Finish Galvanized, Steel Hot Dip Galvanized, Stainless Steel Applications Pipe support. Size range 1/2″ to 24″. Designed to support or guide the pipe runs. Complies with Manufacturers Standardization Society MSS SP-58 & MSS SP-69 – Type 24. Special U bolts with longer tangents and threads available on request Available with EPDM Rubber Lining. Supplied with four nuts.