The SDRN34 Sealer is for 3/4"(19mm) from .025" (.64mm) to .035(.89mm) Steel Strapping. The SDRN34 is a side action, heavy duty, double reverse notch sealer. This is a high quality USA made product suitable for heavy use.
On flat surfaces you would use a 717 semi open seal.
On round surfaces you would use the 703-S heavy duty pusher seal or the 703LHD heavy duty pusher seal.
