Material: Brass with nickel plated ( CuZn39Pb3, ASTM C37800, JIS C37800 ) Anti-fold spring: stainless steel 1.4310/ASTM301/SUS301 Clamp jaw: Nylon PA.UL94-V0 Sealing element: NBR Thread Type: NPT according to ANSI/ASME B 1.20.1 Test Standard: EN50262 /EN62444 /UL51 4B Protection class: IP68/IP69K(the wire/cable is in clamping range.and assemble 0-Ring on the groove) Range of temperature: -40℃to+100℃ UL/CSA Cert ID: E343544 Application: used to protect the cable outlet to prevent excessive bending of metal cable gland