Material: Brass with nickel plated ( CuZn39Pb3, ASTM C37800, JIS C37800 ) Clamp jaw: Nylon PA.UL94-V0 Sealing element: NBR Thread Type: NPT according to ANSI/ASME B 1.20.1 Test Standard: EN50262 /EN62444 /UL514B 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: apply to all fire prevention, sealing, fixed, the occasion of non-slip requirements