tube wrench(n = noun.artifact) pipe wrench - adjustable wrench for gripping and turning a pipe; has two serrated jaws that are adjusted to grip the pipe;
is a kind of adjustable spanner, adjustable wrench
has particulars: chain tongs, stillson wrench

acorn tube, adjustable wrench, allen wrench, alligator wrench, auditory tube, blow tube, boob tube, boron counter tube, box end wrench, box wrench, brace wrench, bronchial tube, bulldog wrench, calyx tube, capillary tube, carriage wrench, cartilaginous tube, cathode-ray tube, chain wrench, color television tube, color tube, color tv tube, colour television tube, colour tube, colour tv tube, counter tube, crescent wrench, crookes tube, digestive tube, dog wrench, electron tube, endotracheal tube, eustachian tube, fallopian tube, gas-discharge tube, geiger tube, geiger-muller tube, geissler tube, germ tube, glow tube, hittorf tube, hook wrench, inner tube, ionization tube, kundt's tube, lenard tube, lug wrench, monkey wrench, nasotracheal tube, neon tube, neural tube, open-end wrench, picture tube, pin wrench, pipe wrench, pitot tube, pitot's tube, pitot-static tube, pl'81cker tube, pollen tube, proportional counter tube, rear of tube, rectifying tube, s wrench, screw wrench, sieve tube, socket wrench, sparkplug wrench, speaking tube, static tube, stillson wrench, tap wrench, tappet wrench, television pickup tube, television tube, television-camera tube, test tube, thermionic tube, thermionic vacuum tube, torpedo tube, torque wrench, tricolor television tube, tricolor tube, tricolour television tube, tricolour tube, tube, tube foot, tube railway, tube well, uterine tube, vacuum tube, venturi tube, vortex tube, water tube, wrench, x-ray tube