COLLAR:13-3/8IN 72LB/FT BTC DRILLING N80 W/ CAMFER OF 45DEG ON THE OUTSIDE RIM SHELL SURPLUS

COLLAR:13-3/8IN 72LB/FT BTC DRILLING N80 W/ CAMFER OF 45DEG ON THE OUTSIDE RIM SHELL SURPLUS

COLLAR:13-3/8IN 72LB/FT BTC DRILLING N80 W/ CAMFER OF 45DEG ON THE OUTSIDE RIM SHELL SURPLUS

COLLAR:13-3/8IN 72LB/FT BTC DRILLING N80 W/ CAMFER OF 45DEG ON THE OUTSIDE RIM SHELL SURPLUS

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