Standard: API Spec7-1, API Spec7-2 and API RP 7G, DS-1 and NS-1.
Size: 3 1/8”~11”
Type:Slick / Spiral / Non-magnetic.
Connection:API NC23 to NC70, 6 5/8REG, 7 58/REG, 8 5/8REG
Hard band: ARNCO series, DURABAND and TCS series.
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