Remke RSR-408-3 Cord Grip alum 1-1/4" NPT 3 holes .500 Remke Tuff-Seal RSR Aluminum Cord Grips are UL Listed and CSA Certified for use in both indoor and outdoor applications to prevent cable pullout, control arc of bend, and to provide a tight seal against environmental elements such as dirt, moisture and coolants. Cord Grips are available in conduit sizes from ¼" to 4" in straight, 90 deg and 45 deg styles. Features of the RSR Aluminum Cord Grips include: Available in NPT, PG, Metric or ISO threads Available with or without stainless steel wire mesh A unique design with a combination tightening surface that includes both a hex area and knurled surface providing extra gripping for initial hand tightening Optional embedded Viton O-Ring ensures a watertight and corrosion-resistant seal Anti-friction washer that fits between the nut and bushing for easier compression For applications with severe condition – such as oil & gas, marine, food and chemical processing – RSR Cord Grips are available in nickel-plated aluminum which provides exceptional corrosion resistance and high wear resistance with an attractive finish similar to polished stainless steel.