McMaster 4550K197 Thick Wall Welded Steel Pipe Nipple, Threaded Both Ends, 3 4 NPT, 4" Long, Sch 80, Class 300 38UU10 42 lb Grip Material Plastisol 42 lb Grip Material Plastisol Non Sparking No Jaw Thickness 3 8 in Nose Shape Needle Maximum Jaw Opening 1 1 4 in Jaw Opening Type Manual Series Proto Tip Thickness 3 8 in Plier Material Steel Grip Style Plain ESD Safe No Tether Ready No Jaw Texture Serrated Includes Wire Stripper No Handle Style Dipped Includes Wire Cutter No Plier Type Needle Nose Pliers Knurled Reversing No Measurement Type SAE Material Alloy Steel Primary Scale Maximum Torque 150 ft lb Finish Chrome Extended Data Testing Yes Welded — Pipe has a weld bead on the inside this pipe has thick walls for good strength in high pressure applications